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Finding the Fourth Proportional to 58,168.60, 87,137.70 and 34,725.40

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Solution

The fourth proportional to 58,168.60, 87,137.70 and 34,725.40 is: 52,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,168.60 : 87,137.70 = 34,725.40 : x
  2. Step 2: Convert to fraction form
    58,168.60/87,137.70 = 34,725.40/x
  3. Step 3: Cross multiply
    58,168.60x = 87,137.70 × 34,725.40
  4. Step 4: Simplify right side
    58,168.60x = 3,025,891,487.58
  5. Step 5: Solve for x
    x = 3,025,891,487.58/58,168.60
  6. Step 6: Final answer
    x = 52,019.33

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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.