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Finding the Fourth Proportional to 55,392.61, 83,055.84 and 25,817.08

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Solution

The fourth proportional to 55,392.61, 83,055.84 and 25,817.08 is: 38,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392.61 : 83,055.84 = 25,817.08 : x
  2. Step 2: Convert to fraction form
    55,392.61/83,055.84 = 25,817.08/x
  3. Step 3: Cross multiply
    55,392.61x = 83,055.84 × 25,817.08
  4. Step 4: Simplify right side
    55,392.61x = 2,144,259,265.75
  5. Step 5: Solve for x
    x = 2,144,259,265.75/55,392.61
  6. Step 6: Final answer
    x = 38,710.20

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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.