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Finding the Fourth Proportional to 34,921.60, 52,411.20 and 16,230.40

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Solution

The fourth proportional to 34,921.60, 52,411.20 and 16,230.40 is: 24,358.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,921.60 : 52,411.20 = 16,230.40 : x
  2. Step 2: Convert to fraction form
    34,921.60/52,411.20 = 16,230.40/x
  3. Step 3: Cross multiply
    34,921.60x = 52,411.20 × 16,230.40
  4. Step 4: Simplify right side
    34,921.60x = 850,654,740.48
  5. Step 5: Solve for x
    x = 850,654,740.48/34,921.60
  6. Step 6: Final answer
    x = 24,358.99

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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.