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Finding the Fourth Proportional to 70,616.61, 97,537.14 and 52,790.76

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Solution

The fourth proportional to 70,616.61, 97,537.14 and 52,790.76 is: 72,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616.61 : 97,537.14 = 52,790.76 : x
  2. Step 2: Convert to fraction form
    70,616.61/97,537.14 = 52,790.76/x
  3. Step 3: Cross multiply
    70,616.61x = 97,537.14 × 52,790.76
  4. Step 4: Simplify right side
    70,616.61x = 5,149,059,748.83
  5. Step 5: Solve for x
    x = 5,149,059,748.83/70,616.61
  6. Step 6: Final answer
    x = 72,915.70

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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.