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Finding the Fourth Proportional to 7,582,728.90, 10,461,612.18 and 4,317,234.15

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Solution

The fourth proportional to 7,582,728.90, 10,461,612.18 and 4,317,234.15 is: 5,956,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582,728.90 : 10,461,612.18 = 4,317,234.15 : x
  2. Step 2: Convert to fraction form
    7,582,728.90/10,461,612.18 = 4,317,234.15/x
  3. Step 3: Cross multiply
    7,582,728.90x = 10,461,612.18 × 4,317,234.15
  4. Step 4: Simplify right side
    7,582,728.90x = 45,165,229,367,551.95
  5. Step 5: Solve for x
    x = 45,165,229,367,551.95/7,582,728.90
  6. Step 6: Final answer
    x = 5,956,329.17

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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.