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Finding the Fourth Proportional to 70,672.38, 97,525.71 and 38,841.18

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Solution

The fourth proportional to 70,672.38, 97,525.71 and 38,841.18 is: 53,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.38 : 97,525.71 = 38,841.18 : x
  2. Step 2: Convert to fraction form
    70,672.38/97,525.71 = 38,841.18/x
  3. Step 3: Cross multiply
    70,672.38x = 97,525.71 × 38,841.18
  4. Step 4: Simplify right side
    70,672.38x = 3,788,013,656.74
  5. Step 5: Solve for x
    x = 3,788,013,656.74/70,672.38
  6. Step 6: Final answer
    x = 53,599.63

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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.