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Finding the Fourth Proportional to 4,554,691.92, 6,829,805.52 and 1,521,015.12

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Solution

The fourth proportional to 4,554,691.92, 6,829,805.52 and 1,521,015.12 is: 2,280,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554,691.92 : 6,829,805.52 = 1,521,015.12 : x
  2. Step 2: Convert to fraction form
    4,554,691.92/6,829,805.52 = 1,521,015.12/x
  3. Step 3: Cross multiply
    4,554,691.92x = 6,829,805.52 × 1,521,015.12
  4. Step 4: Simplify right side
    4,554,691.92x = 10,388,237,462,579.46
  5. Step 5: Solve for x
    x = 10,388,237,462,579.46/4,554,691.92
  6. Step 6: Final answer
    x = 2,280,777.20

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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.