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Finding the Fourth Proportional to 60,221.73, 90,264.93 and 28,605.93

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Solution

The fourth proportional to 60,221.73, 90,264.93 and 28,605.93 is: 42,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,221.73 : 90,264.93 = 28,605.93 : x
  2. Step 2: Convert to fraction form
    60,221.73/90,264.93 = 28,605.93/x
  3. Step 3: Cross multiply
    60,221.73x = 90,264.93 × 28,605.93
  4. Step 4: Simplify right side
    60,221.73x = 2,582,112,269.03
  5. Step 5: Solve for x
    x = 2,582,112,269.03/60,221.73
  6. Step 6: Final answer
    x = 42,876.75

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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.