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Finding the Fourth Proportional to 70,672.56, 97,527.96 and 38,841.72

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Solution

The fourth proportional to 70,672.56, 97,527.96 and 38,841.72 is: 53,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,672.56 : 97,527.96 = 38,841.72 : x
  2. Step 2: Convert to fraction form
    70,672.56/97,527.96 = 38,841.72/x
  3. Step 3: Cross multiply
    70,672.56x = 97,527.96 × 38,841.72
  4. Step 4: Simplify right side
    70,672.56x = 3,788,153,714.49
  5. Step 5: Solve for x
    x = 3,788,153,714.49/70,672.56
  6. Step 6: Final answer
    x = 53,601.48

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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.