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Finding the Fourth Proportional to 23,610.60, 32,565.78 and 15,219

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Solution

The fourth proportional to 23,610.60, 32,565.78 and 15,219 is: 20,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,610.60 : 32,565.78 = 15,219 : x
  2. Step 2: Convert to fraction form
    23,610.60/32,565.78 = 15,219/x
  3. Step 3: Cross multiply
    23,610.60x = 32,565.78 × 15,219
  4. Step 4: Simplify right side
    23,610.60x = 495,618,605.82
  5. Step 5: Solve for x
    x = 495,618,605.82/23,610.60
  6. Step 6: Final answer
    x = 20,991.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.