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Finding the Fourth Proportional to 23,648.20, 32,620.50 and 15,152.20

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Solution

The fourth proportional to 23,648.20, 32,620.50 and 15,152.20 is: 20,901.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,648.20 : 32,620.50 = 15,152.20 : x
  2. Step 2: Convert to fraction form
    23,648.20/32,620.50 = 15,152.20/x
  3. Step 3: Cross multiply
    23,648.20x = 32,620.50 × 15,152.20
  4. Step 4: Simplify right side
    23,648.20x = 494,272,340.10
  5. Step 5: Solve for x
    x = 494,272,340.10/23,648.20
  6. Step 6: Final answer
    x = 20,901.06

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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.