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Finding the Fourth Proportional to 34,159.60, 51,253.80 and 16,620.40

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Solution

The fourth proportional to 34,159.60, 51,253.80 and 16,620.40 is: 24,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.60 : 51,253.80 = 16,620.40 : x
  2. Step 2: Convert to fraction form
    34,159.60/51,253.80 = 16,620.40/x
  3. Step 3: Cross multiply
    34,159.60x = 51,253.80 × 16,620.40
  4. Step 4: Simplify right side
    34,159.60x = 851,858,657.52
  5. Step 5: Solve for x
    x = 851,858,657.52/34,159.60
  6. Step 6: Final answer
    x = 24,937.61

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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.