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Finding the Fourth Proportional to 7,317,820.96, 10,978,475.36 and 2,525,551.52

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Solution

The fourth proportional to 7,317,820.96, 10,978,475.36 and 2,525,551.52 is: 3,788,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317,820.96 : 10,978,475.36 = 2,525,551.52 : x
  2. Step 2: Convert to fraction form
    7,317,820.96/10,978,475.36 = 2,525,551.52/x
  3. Step 3: Cross multiply
    7,317,820.96x = 10,978,475.36 × 2,525,551.52
  4. Step 4: Simplify right side
    7,317,820.96x = 27,726,705,132,730.55
  5. Step 5: Solve for x
    x = 27,726,705,132,730.55/7,317,820.96
  6. Step 6: Final answer
    x = 3,788,929.15

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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.