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Finding the Fourth Proportional to 9,860,200.80, 14,789,134.80 and 2,671,288.80

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Solution

The fourth proportional to 9,860,200.80, 14,789,134.80 and 2,671,288.80 is: 4,006,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860,200.80 : 14,789,134.80 = 2,671,288.80 : x
  2. Step 2: Convert to fraction form
    9,860,200.80/14,789,134.80 = 2,671,288.80/x
  3. Step 3: Cross multiply
    9,860,200.80x = 14,789,134.80 × 2,671,288.80
  4. Step 4: Simplify right side
    9,860,200.80x = 39,506,050,152,930.24
  5. Step 5: Solve for x
    x = 39,506,050,152,930.24/9,860,200.80
  6. Step 6: Final answer
    x = 4,006,617.20

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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.