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Finding the Fourth Proportional to 15,565.80, 23,323.68 and 9,310.80

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Solution

The fourth proportional to 15,565.80, 23,323.68 and 9,310.80 is: 13,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.80 : 23,323.68 = 9,310.80 : x
  2. Step 2: Convert to fraction form
    15,565.80/23,323.68 = 9,310.80/x
  3. Step 3: Cross multiply
    15,565.80x = 23,323.68 × 9,310.80
  4. Step 4: Simplify right side
    15,565.80x = 217,162,119.74
  5. Step 5: Solve for x
    x = 217,162,119.74/15,565.80
  6. Step 6: Final answer
    x = 13,951.23

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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.