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Finding the Fourth Proportional to 61,476.57, 84,284.70 and 60,355.73

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Solution

The fourth proportional to 61,476.57, 84,284.70 and 60,355.73 is: 82,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,476.57 : 84,284.70 = 60,355.73 : x
  2. Step 2: Convert to fraction form
    61,476.57/84,284.70 = 60,355.73/x
  3. Step 3: Cross multiply
    61,476.57x = 84,284.70 × 60,355.73
  4. Step 4: Simplify right side
    61,476.57x = 5,087,064,920.21
  5. Step 5: Solve for x
    x = 5,087,064,920.21/61,476.57
  6. Step 6: Final answer
    x = 82,748.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.