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Finding the Fourth Proportional to 60,539.56, 90,809.18 and 28,853.58

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Solution

The fourth proportional to 60,539.56, 90,809.18 and 28,853.58 is: 43,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,539.56 : 90,809.18 = 28,853.58 : x
  2. Step 2: Convert to fraction form
    60,539.56/90,809.18 = 28,853.58/x
  3. Step 3: Cross multiply
    60,539.56x = 90,809.18 × 28,853.58
  4. Step 4: Simplify right side
    60,539.56x = 2,620,169,939.86
  5. Step 5: Solve for x
    x = 2,620,169,939.86/60,539.56
  6. Step 6: Final answer
    x = 43,280.29

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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.