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Finding the Fourth Proportional to 61,472.16, 84,850.80 and 41,329.86

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Solution

The fourth proportional to 61,472.16, 84,850.80 and 41,329.86 is: 57,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,472.16 : 84,850.80 = 41,329.86 : x
  2. Step 2: Convert to fraction form
    61,472.16/84,850.80 = 41,329.86/x
  3. Step 3: Cross multiply
    61,472.16x = 84,850.80 × 41,329.86
  4. Step 4: Simplify right side
    61,472.16x = 3,506,871,684.89
  5. Step 5: Solve for x
    x = 3,506,871,684.89/61,472.16
  6. Step 6: Final answer
    x = 57,048.13

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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.