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Finding the Fourth Proportional to 40,281, 55,607.84 and 25,182.04

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Solution

The fourth proportional to 40,281, 55,607.84 and 25,182.04 is: 34,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281 : 55,607.84 = 25,182.04 : x
  2. Step 2: Convert to fraction form
    40,281/55,607.84 = 25,182.04/x
  3. Step 3: Cross multiply
    40,281x = 55,607.84 × 25,182.04
  4. Step 4: Simplify right side
    40,281x = 1,400,318,851.19
  5. Step 5: Solve for x
    x = 1,400,318,851.19/40,281
  6. Step 6: Final answer
    x = 34,763.76

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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.