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Finding the Fourth Proportional to 67,585.60, 101,464.80 and 36,020.80

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Solution

The fourth proportional to 67,585.60, 101,464.80 and 36,020.80 is: 54,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,585.60 : 101,464.80 = 36,020.80 : x
  2. Step 2: Convert to fraction form
    67,585.60/101,464.80 = 36,020.80/x
  3. Step 3: Cross multiply
    67,585.60x = 101,464.80 × 36,020.80
  4. Step 4: Simplify right side
    67,585.60x = 3,654,843,267.84
  5. Step 5: Solve for x
    x = 3,654,843,267.84/67,585.60
  6. Step 6: Final answer
    x = 54,077.25

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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.