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Finding the Fourth Proportional to 55,853.72, 83,779.85 and 13,734.17

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Solution

The fourth proportional to 55,853.72, 83,779.85 and 13,734.17 is: 20,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853.72 : 83,779.85 = 13,734.17 : x
  2. Step 2: Convert to fraction form
    55,853.72/83,779.85 = 13,734.17/x
  3. Step 3: Cross multiply
    55,853.72x = 83,779.85 × 13,734.17
  4. Step 4: Simplify right side
    55,853.72x = 1,150,646,618.77
  5. Step 5: Solve for x
    x = 1,150,646,618.77/55,853.72
  6. Step 6: Final answer
    x = 20,601.07

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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.