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Finding the Fourth Proportional to 55,402.56, 83,134.08 and 32,074.56

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Solution

The fourth proportional to 55,402.56, 83,134.08 and 32,074.56 is: 48,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.56 : 83,134.08 = 32,074.56 : x
  2. Step 2: Convert to fraction form
    55,402.56/83,134.08 = 32,074.56/x
  3. Step 3: Cross multiply
    55,402.56x = 83,134.08 × 32,074.56
  4. Step 4: Simplify right side
    55,402.56x = 2,666,489,037.00
  5. Step 5: Solve for x
    x = 2,666,489,037.00/55,402.56
  6. Step 6: Final answer
    x = 48,129.35

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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.