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Finding the Fourth Proportional to 24,641.64, 37,128.71 and 20,355.08

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Solution

The fourth proportional to 24,641.64, 37,128.71 and 20,355.08 is: 30,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,641.64 : 37,128.71 = 20,355.08 : x
  2. Step 2: Convert to fraction form
    24,641.64/37,128.71 = 20,355.08/x
  3. Step 3: Cross multiply
    24,641.64x = 37,128.71 × 20,355.08
  4. Step 4: Simplify right side
    24,641.64x = 755,757,862.35
  5. Step 5: Solve for x
    x = 755,757,862.35/24,641.64
  6. Step 6: Final answer
    x = 30,669.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.