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Finding the Fourth Proportional to 84,602.82, 126,610.47 and 52,568.74

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Solution

The fourth proportional to 84,602.82, 126,610.47 and 52,568.74 is: 78,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,602.82 : 126,610.47 = 52,568.74 : x
  2. Step 2: Convert to fraction form
    84,602.82/126,610.47 = 52,568.74/x
  3. Step 3: Cross multiply
    84,602.82x = 126,610.47 × 52,568.74
  4. Step 4: Simplify right side
    84,602.82x = 6,655,752,562.18
  5. Step 5: Solve for x
    x = 6,655,752,562.18/84,602.82
  6. Step 6: Final answer
    x = 78,670.58

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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.