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Finding the Fourth Proportional to 70,472.88, 97,248.87 and 40,252.23

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Solution

The fourth proportional to 70,472.88, 97,248.87 and 40,252.23 is: 55,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,472.88 : 97,248.87 = 40,252.23 : x
  2. Step 2: Convert to fraction form
    70,472.88/97,248.87 = 40,252.23/x
  3. Step 3: Cross multiply
    70,472.88x = 97,248.87 × 40,252.23
  4. Step 4: Simplify right side
    70,472.88x = 3,914,483,882.48
  5. Step 5: Solve for x
    x = 3,914,483,882.48/70,472.88
  6. Step 6: Final answer
    x = 55,545.96

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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.