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Finding the Fourth Proportional to 55,234.60, 82,851.90 and 25,710.10

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Solution

The fourth proportional to 55,234.60, 82,851.90 and 25,710.10 is: 38,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.60 : 82,851.90 = 25,710.10 : x
  2. Step 2: Convert to fraction form
    55,234.60/82,851.90 = 25,710.10/x
  3. Step 3: Cross multiply
    55,234.60x = 82,851.90 × 25,710.10
  4. Step 4: Simplify right side
    55,234.60x = 2,130,130,634.19
  5. Step 5: Solve for x
    x = 2,130,130,634.19/55,234.60
  6. Step 6: Final answer
    x = 38,565.15

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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.