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Finding the Fourth Proportional to 70,361.03, 97,098.05 and 38,529.65

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Solution

The fourth proportional to 70,361.03, 97,098.05 and 38,529.65 is: 53,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,361.03 : 97,098.05 = 38,529.65 : x
  2. Step 2: Convert to fraction form
    70,361.03/97,098.05 = 38,529.65/x
  3. Step 3: Cross multiply
    70,361.03x = 97,098.05 × 38,529.65
  4. Step 4: Simplify right side
    70,361.03x = 3,741,153,882.18
  5. Step 5: Solve for x
    x = 3,741,153,882.18/70,361.03
  6. Step 6: Final answer
    x = 53,170.82

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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.