Home / 52,542.28-72,507.22-28,669.64

Finding the Fourth Proportional to 52,542.28, 72,507.22 and 28,669.64

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Solution

The fourth proportional to 52,542.28, 72,507.22 and 28,669.64 is: 39,563.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.28 : 72,507.22 = 28,669.64 : x
  2. Step 2: Convert to fraction form
    52,542.28/72,507.22 = 28,669.64/x
  3. Step 3: Cross multiply
    52,542.28x = 72,507.22 × 28,669.64
  4. Step 4: Simplify right side
    52,542.28x = 2,078,755,894.80
  5. Step 5: Solve for x
    x = 2,078,755,894.80/52,542.28
  6. Step 6: Final answer
    x = 39,563.49

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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.