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Finding the Fourth Proportional to 8,235.77, 12,350.78 and 3,554.51

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Solution

The fourth proportional to 8,235.77, 12,350.78 and 3,554.51 is: 5,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.77 : 12,350.78 = 3,554.51 : x
  2. Step 2: Convert to fraction form
    8,235.77/12,350.78 = 3,554.51/x
  3. Step 3: Cross multiply
    8,235.77x = 12,350.78 × 3,554.51
  4. Step 4: Simplify right side
    8,235.77x = 43,900,953.25
  5. Step 5: Solve for x
    x = 43,900,953.25/8,235.77
  6. Step 6: Final answer
    x = 5,330.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.