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Finding the Fourth Proportional to 70,363.64, 97,101.96 and 38,098.56

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Solution

The fourth proportional to 70,363.64, 97,101.96 and 38,098.56 is: 52,576.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,363.64 : 97,101.96 = 38,098.56 : x
  2. Step 2: Convert to fraction form
    70,363.64/97,101.96 = 38,098.56/x
  3. Step 3: Cross multiply
    70,363.64x = 97,101.96 × 38,098.56
  4. Step 4: Simplify right side
    70,363.64x = 3,699,444,849.18
  5. Step 5: Solve for x
    x = 3,699,444,849.18/70,363.64
  6. Step 6: Final answer
    x = 52,576.09

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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.