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Finding the Fourth Proportional to 55,151.79, 82,699.06 and 27,059.55

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Solution

The fourth proportional to 55,151.79, 82,699.06 and 27,059.55 is: 40,575.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.79 : 82,699.06 = 27,059.55 : x
  2. Step 2: Convert to fraction form
    55,151.79/82,699.06 = 27,059.55/x
  3. Step 3: Cross multiply
    55,151.79x = 82,699.06 × 27,059.55
  4. Step 4: Simplify right side
    55,151.79x = 2,237,799,349.02
  5. Step 5: Solve for x
    x = 2,237,799,349.02/55,151.79
  6. Step 6: Final answer
    x = 40,575.28

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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.