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Finding the Fourth Proportional to 55,690.94, 83,535.02 and 16,248.40

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Solution

The fourth proportional to 55,690.94, 83,535.02 and 16,248.40 is: 24,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690.94 : 83,535.02 = 16,248.40 : x
  2. Step 2: Convert to fraction form
    55,690.94/83,535.02 = 16,248.40/x
  3. Step 3: Cross multiply
    55,690.94x = 83,535.02 × 16,248.40
  4. Step 4: Simplify right side
    55,690.94x = 1,357,310,418.97
  5. Step 5: Solve for x
    x = 1,357,310,418.97/55,690.94
  6. Step 6: Final answer
    x = 24,372.19

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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.