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Finding the Fourth Proportional to 63,158.12, 87,158.24 and 34,863.84

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Solution

The fourth proportional to 63,158.12, 87,158.24 and 34,863.84 is: 48,112.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,158.12 : 87,158.24 = 34,863.84 : x
  2. Step 2: Convert to fraction form
    63,158.12/87,158.24 = 34,863.84/x
  3. Step 3: Cross multiply
    63,158.12x = 87,158.24 × 34,863.84
  4. Step 4: Simplify right side
    63,158.12x = 3,038,670,934.04
  5. Step 5: Solve for x
    x = 3,038,670,934.04/63,158.12
  6. Step 6: Final answer
    x = 48,112.12

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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.