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Finding the Fourth Proportional to 35,284.61, 48,691.86 and 19,368.92

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Solution

The fourth proportional to 35,284.61, 48,691.86 and 19,368.92 is: 26,728.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,284.61 : 48,691.86 = 19,368.92 : x
  2. Step 2: Convert to fraction form
    35,284.61/48,691.86 = 19,368.92/x
  3. Step 3: Cross multiply
    35,284.61x = 48,691.86 × 19,368.92
  4. Step 4: Simplify right side
    35,284.61x = 943,108,740.99
  5. Step 5: Solve for x
    x = 943,108,740.99/35,284.61
  6. Step 6: Final answer
    x = 26,728.61

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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.