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Finding the Fourth Proportional to 62,990.82, 94,486.35 and 59,141.70

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Solution

The fourth proportional to 62,990.82, 94,486.35 and 59,141.70 is: 88,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,990.82 : 94,486.35 = 59,141.70 : x
  2. Step 2: Convert to fraction form
    62,990.82/94,486.35 = 59,141.70/x
  3. Step 3: Cross multiply
    62,990.82x = 94,486.35 × 59,141.70
  4. Step 4: Simplify right side
    62,990.82x = 5,588,083,365.80
  5. Step 5: Solve for x
    x = 5,588,083,365.80/62,990.82
  6. Step 6: Final answer
    x = 88,712.66

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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.