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Finding the Fourth Proportional to 53,397.70, 73,687.52 and 29,523.76

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Solution

The fourth proportional to 53,397.70, 73,687.52 and 29,523.76 is: 40,742.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.70 : 73,687.52 = 29,523.76 : x
  2. Step 2: Convert to fraction form
    53,397.70/73,687.52 = 29,523.76/x
  3. Step 3: Cross multiply
    53,397.70x = 73,687.52 × 29,523.76
  4. Step 4: Simplify right side
    53,397.70x = 2,175,532,655.48
  5. Step 5: Solve for x
    x = 2,175,532,655.48/53,397.70
  6. Step 6: Final answer
    x = 40,742.07

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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.