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Finding the Fourth Proportional to 71,068.32, 106,583.02 and 26,691.64

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Solution

The fourth proportional to 71,068.32, 106,583.02 and 26,691.64 is: 40,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.32 : 106,583.02 = 26,691.64 : x
  2. Step 2: Convert to fraction form
    71,068.32/106,583.02 = 26,691.64/x
  3. Step 3: Cross multiply
    71,068.32x = 106,583.02 × 26,691.64
  4. Step 4: Simplify right side
    71,068.32x = 2,844,875,599.95
  5. Step 5: Solve for x
    x = 2,844,875,599.95/71,068.32
  6. Step 6: Final answer
    x = 40,030.15

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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.