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Finding the Fourth Proportional to 57,461.40, 86,200.20 and 18,014.40

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Solution

The fourth proportional to 57,461.40, 86,200.20 and 18,014.40 is: 27,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,461.40 : 86,200.20 = 18,014.40 : x
  2. Step 2: Convert to fraction form
    57,461.40/86,200.20 = 18,014.40/x
  3. Step 3: Cross multiply
    57,461.40x = 86,200.20 × 18,014.40
  4. Step 4: Simplify right side
    57,461.40x = 1,552,844,882.88
  5. Step 5: Solve for x
    x = 1,552,844,882.88/57,461.40
  6. Step 6: Final answer
    x = 27,024.14

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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.