Home / 52,661.28-72,672.57-28,788.13

Finding the Fourth Proportional to 52,661.28, 72,672.57 and 28,788.13

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Solution

The fourth proportional to 52,661.28, 72,672.57 and 28,788.13 is: 39,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,661.28 : 72,672.57 = 28,788.13 : x
  2. Step 2: Convert to fraction form
    52,661.28/72,672.57 = 28,788.13/x
  3. Step 3: Cross multiply
    52,661.28x = 72,672.57 × 28,788.13
  4. Step 4: Simplify right side
    52,661.28x = 2,092,107,392.59
  5. Step 5: Solve for x
    x = 2,092,107,392.59/52,661.28
  6. Step 6: Final answer
    x = 39,727.62

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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.