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Finding the Fourth Proportional to 72,827.91, 100,452.15 and 44,547.57

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Solution

The fourth proportional to 72,827.91, 100,452.15 and 44,547.57 is: 61,444.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,827.91 : 100,452.15 = 44,547.57 : x
  2. Step 2: Convert to fraction form
    72,827.91/100,452.15 = 44,547.57/x
  3. Step 3: Cross multiply
    72,827.91x = 100,452.15 × 44,547.57
  4. Step 4: Simplify right side
    72,827.91x = 4,474,899,183.78
  5. Step 5: Solve for x
    x = 4,474,899,183.78/72,827.91
  6. Step 6: Final answer
    x = 61,444.84

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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.