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Finding the Fourth Proportional to 70,324.95, 97,044.68 and 38,487.69

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Solution

The fourth proportional to 70,324.95, 97,044.68 and 38,487.69 is: 53,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.95 : 97,044.68 = 38,487.69 : x
  2. Step 2: Convert to fraction form
    70,324.95/97,044.68 = 38,487.69/x
  3. Step 3: Cross multiply
    70,324.95x = 97,044.68 × 38,487.69
  4. Step 4: Simplify right side
    70,324.95x = 3,735,025,367.55
  5. Step 5: Solve for x
    x = 3,735,025,367.55/70,324.95
  6. Step 6: Final answer
    x = 53,110.96

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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.