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Finding the Fourth Proportional to 55,902.88, 83,862.82 and 18,466.91

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Solution

The fourth proportional to 55,902.88, 83,862.82 and 18,466.91 is: 27,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.88 : 83,862.82 = 18,466.91 : x
  2. Step 2: Convert to fraction form
    55,902.88/83,862.82 = 18,466.91/x
  3. Step 3: Cross multiply
    55,902.88x = 83,862.82 × 18,466.91
  4. Step 4: Simplify right side
    55,902.88x = 1,548,686,729.97
  5. Step 5: Solve for x
    x = 1,548,686,729.97/55,902.88
  6. Step 6: Final answer
    x = 27,703.17

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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.