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Finding the Fourth Proportional to 7,605,914.88, 11,413,356.13 and 2,816,967.17

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Solution

The fourth proportional to 7,605,914.88, 11,413,356.13 and 2,816,967.17 is: 4,227,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605,914.88 : 11,413,356.13 = 2,816,967.17 : x
  2. Step 2: Convert to fraction form
    7,605,914.88/11,413,356.13 = 2,816,967.17/x
  3. Step 3: Cross multiply
    7,605,914.88x = 11,413,356.13 × 2,816,967.17
  4. Step 4: Simplify right side
    7,605,914.88x = 32,151,049,549,782.85
  5. Step 5: Solve for x
    x = 32,151,049,549,782.85/7,605,914.88
  6. Step 6: Final answer
    x = 4,227,111.40

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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.