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Finding the Fourth Proportional to 35,145.69, 48,500.98 and 19,230.13

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Solution

The fourth proportional to 35,145.69, 48,500.98 and 19,230.13 is: 26,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,145.69 : 48,500.98 = 19,230.13 : x
  2. Step 2: Convert to fraction form
    35,145.69/48,500.98 = 19,230.13/x
  3. Step 3: Cross multiply
    35,145.69x = 48,500.98 × 19,230.13
  4. Step 4: Simplify right side
    35,145.69x = 932,680,150.53
  5. Step 5: Solve for x
    x = 932,680,150.53/35,145.69
  6. Step 6: Final answer
    x = 26,537.54

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Half scale
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Double scale
Find fourth proportional to 35,146.69, 48,502.36 and 19,231.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.