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Finding the Fourth Proportional to 70,353.92, 97,083.96 and 38,523.20

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Solution

The fourth proportional to 70,353.92, 97,083.96 and 38,523.20 is: 53,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,353.92 : 97,083.96 = 38,523.20 : x
  2. Step 2: Convert to fraction form
    70,353.92/97,083.96 = 38,523.20/x
  3. Step 3: Cross multiply
    70,353.92x = 97,083.96 × 38,523.20
  4. Step 4: Simplify right side
    70,353.92x = 3,739,984,807.87
  5. Step 5: Solve for x
    x = 3,739,984,807.87/70,353.92
  6. Step 6: Final answer
    x = 53,159.58

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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.