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Finding the Fourth Proportional to 87,627.92, 131,467.80 and 35,008.40

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Solution

The fourth proportional to 87,627.92, 131,467.80 and 35,008.40 is: 52,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.92 : 131,467.80 = 35,008.40 : x
  2. Step 2: Convert to fraction form
    87,627.92/131,467.80 = 35,008.40/x
  3. Step 3: Cross multiply
    87,627.92x = 131,467.80 × 35,008.40
  4. Step 4: Simplify right side
    87,627.92x = 4,602,477,329.52
  5. Step 5: Solve for x
    x = 4,602,477,329.52/87,627.92
  6. Step 6: Final answer
    x = 52,522.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.