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Finding the Fourth Proportional to 70,365.92, 97,105.28 and 38,535.04

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Solution

The fourth proportional to 70,365.92, 97,105.28 and 38,535.04 is: 53,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.92 : 97,105.28 = 38,535.04 : x
  2. Step 2: Convert to fraction form
    70,365.92/97,105.28 = 38,535.04/x
  3. Step 3: Cross multiply
    70,365.92x = 97,105.28 × 38,535.04
  4. Step 4: Simplify right side
    70,365.92x = 3,741,955,849.01
  5. Step 5: Solve for x
    x = 3,741,955,849.01/70,365.92
  6. Step 6: Final answer
    x = 53,178.53

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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.