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Finding the Fourth Proportional to 60,648.64, 83,689.44 and 44,741.92

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Solution

The fourth proportional to 60,648.64, 83,689.44 and 44,741.92 is: 61,739.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,648.64 : 83,689.44 = 44,741.92 : x
  2. Step 2: Convert to fraction form
    60,648.64/83,689.44 = 44,741.92/x
  3. Step 3: Cross multiply
    60,648.64x = 83,689.44 × 44,741.92
  4. Step 4: Simplify right side
    60,648.64x = 3,744,426,229.32
  5. Step 5: Solve for x
    x = 3,744,426,229.32/60,648.64
  6. Step 6: Final answer
    x = 61,739.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.