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Finding the Fourth Proportional to 22,401.60, 33,602.40 and 15,840.60

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Solution

The fourth proportional to 22,401.60, 33,602.40 and 15,840.60 is: 23,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.60 : 33,602.40 = 15,840.60 : x
  2. Step 2: Convert to fraction form
    22,401.60/33,602.40 = 15,840.60/x
  3. Step 3: Cross multiply
    22,401.60x = 33,602.40 × 15,840.60
  4. Step 4: Simplify right side
    22,401.60x = 532,282,177.44
  5. Step 5: Solve for x
    x = 532,282,177.44/22,401.60
  6. Step 6: Final answer
    x = 23,760.90

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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.