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Finding the Fourth Proportional to 70,363.32, 97,103.58 and 38,535.24

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Solution

The fourth proportional to 70,363.32, 97,103.58 and 38,535.24 is: 53,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,363.32 : 97,103.58 = 38,535.24 : x
  2. Step 2: Convert to fraction form
    70,363.32/97,103.58 = 38,535.24/x
  3. Step 3: Cross multiply
    70,363.32x = 97,103.58 × 38,535.24
  4. Step 4: Simplify right side
    70,363.32x = 3,741,909,760.16
  5. Step 5: Solve for x
    x = 3,741,909,760.16/70,363.32
  6. Step 6: Final answer
    x = 53,179.84

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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.