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Finding the Fourth Proportional to 5,920,876.95, 8,872,161.00 and 4,620,947.13

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Solution

The fourth proportional to 5,920,876.95, 8,872,161.00 and 4,620,947.13 is: 6,924,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920,876.95 : 8,872,161.00 = 4,620,947.13 : x
  2. Step 2: Convert to fraction form
    5,920,876.95/8,872,161.00 = 4,620,947.13/x
  3. Step 3: Cross multiply
    5,920,876.95x = 8,872,161.00 × 4,620,947.13
  4. Step 4: Simplify right side
    5,920,876.95x = 40,997,786,918,512.20
  5. Step 5: Solve for x
    x = 40,997,786,918,512.20/5,920,876.95
  6. Step 6: Final answer
    x = 6,924,276.13

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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.