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Finding the Fourth Proportional to 66,498.32, 91,703.67 and 44,743.61

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Solution

The fourth proportional to 66,498.32, 91,703.67 and 44,743.61 is: 61,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,498.32 : 91,703.67 = 44,743.61 : x
  2. Step 2: Convert to fraction form
    66,498.32/91,703.67 = 44,743.61/x
  3. Step 3: Cross multiply
    66,498.32x = 91,703.67 × 44,743.61
  4. Step 4: Simplify right side
    66,498.32x = 4,103,153,246.05
  5. Step 5: Solve for x
    x = 4,103,153,246.05/66,498.32
  6. Step 6: Final answer
    x = 61,703.11

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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.