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Finding the Fourth Proportional to 66,366.30, 99,585.90 and 26,951.70

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Solution

The fourth proportional to 66,366.30, 99,585.90 and 26,951.70 is: 40,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,366.30 : 99,585.90 = 26,951.70 : x
  2. Step 2: Convert to fraction form
    66,366.30/99,585.90 = 26,951.70/x
  3. Step 3: Cross multiply
    66,366.30x = 99,585.90 × 26,951.70
  4. Step 4: Simplify right side
    66,366.30x = 2,684,009,301.03
  5. Step 5: Solve for x
    x = 2,684,009,301.03/66,366.30
  6. Step 6: Final answer
    x = 40,442.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.