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Finding the Fourth Proportional to 6,668,523.76, 9,202,572.12 and 3,612,738.01

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Solution

The fourth proportional to 6,668,523.76, 9,202,572.12 and 3,612,738.01 is: 4,985,583.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,523.76 : 9,202,572.12 = 3,612,738.01 : x
  2. Step 2: Convert to fraction form
    6,668,523.76/9,202,572.12 = 3,612,738.01/x
  3. Step 3: Cross multiply
    6,668,523.76x = 9,202,572.12 × 3,612,738.01
  4. Step 4: Simplify right side
    6,668,523.76x = 33,246,482,041,677.42
  5. Step 5: Solve for x
    x = 33,246,482,041,677.42/6,668,523.76
  6. Step 6: Final answer
    x = 4,985,583.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.