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Finding the Fourth Proportional to 61,189.34, 84,470.95 and 41,038.86

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Solution

The fourth proportional to 61,189.34, 84,470.95 and 41,038.86 is: 56,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,189.34 : 84,470.95 = 41,038.86 : x
  2. Step 2: Convert to fraction form
    61,189.34/84,470.95 = 41,038.86/x
  3. Step 3: Cross multiply
    61,189.34x = 84,470.95 × 41,038.86
  4. Step 4: Simplify right side
    61,189.34x = 3,466,591,491.12
  5. Step 5: Solve for x
    x = 3,466,591,491.12/61,189.34
  6. Step 6: Final answer
    x = 56,653.52

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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.