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Finding the Fourth Proportional to 55,902.88, 83,854.32 and 14,349.88

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Solution

The fourth proportional to 55,902.88, 83,854.32 and 14,349.88 is: 21,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,902.88 : 83,854.32 = 14,349.88 : x
  2. Step 2: Convert to fraction form
    55,902.88/83,854.32 = 14,349.88/x
  3. Step 3: Cross multiply
    55,902.88x = 83,854.32 × 14,349.88
  4. Step 4: Simplify right side
    55,902.88x = 1,203,299,429.48
  5. Step 5: Solve for x
    x = 1,203,299,429.48/55,902.88
  6. Step 6: Final answer
    x = 21,524.82

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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.