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Finding the Fourth Proportional to 66,955.38, 92,441.70 and 41,488.77

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Solution

The fourth proportional to 66,955.38, 92,441.70 and 41,488.77 is: 57,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955.38 : 92,441.70 = 41,488.77 : x
  2. Step 2: Convert to fraction form
    66,955.38/92,441.70 = 41,488.77/x
  3. Step 3: Cross multiply
    66,955.38x = 92,441.70 × 41,488.77
  4. Step 4: Simplify right side
    66,955.38x = 3,835,292,071.22
  5. Step 5: Solve for x
    x = 3,835,292,071.22/66,955.38
  6. Step 6: Final answer
    x = 57,281.32

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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.