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Finding the Fourth Proportional to 5,000,669.76, 7,501,212.48 and 1,454,813.76

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Solution

The fourth proportional to 5,000,669.76, 7,501,212.48 and 1,454,813.76 is: 2,182,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000,669.76 : 7,501,212.48 = 1,454,813.76 : x
  2. Step 2: Convert to fraction form
    5,000,669.76/7,501,212.48 = 1,454,813.76/x
  3. Step 3: Cross multiply
    5,000,669.76x = 7,501,212.48 × 1,454,813.76
  4. Step 4: Simplify right side
    5,000,669.76x = 10,912,867,132,587.72
  5. Step 5: Solve for x
    x = 10,912,867,132,587.72/5,000,669.76
  6. Step 6: Final answer
    x = 2,182,281.11

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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.