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Finding the Fourth Proportional to 52,348.53, 72,240.65 and 28,475.30

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Solution

The fourth proportional to 52,348.53, 72,240.65 and 28,475.30 is: 39,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,348.53 : 72,240.65 = 28,475.30 : x
  2. Step 2: Convert to fraction form
    52,348.53/72,240.65 = 28,475.30/x
  3. Step 3: Cross multiply
    52,348.53x = 72,240.65 × 28,475.30
  4. Step 4: Simplify right side
    52,348.53x = 2,057,074,406.04
  5. Step 5: Solve for x
    x = 2,057,074,406.04/52,348.53
  6. Step 6: Final answer
    x = 39,295.74

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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.