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Finding the Fourth Proportional to 69,081.60, 103,622.40 and 24,709.80

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Solution

The fourth proportional to 69,081.60, 103,622.40 and 24,709.80 is: 37,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081.60 : 103,622.40 = 24,709.80 : x
  2. Step 2: Convert to fraction form
    69,081.60/103,622.40 = 24,709.80/x
  3. Step 3: Cross multiply
    69,081.60x = 103,622.40 × 24,709.80
  4. Step 4: Simplify right side
    69,081.60x = 2,560,488,779.52
  5. Step 5: Solve for x
    x = 2,560,488,779.52/69,081.60
  6. Step 6: Final answer
    x = 37,064.70

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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.