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Finding the Fourth Proportional to 8,889,767.30, 13,334,650.95 and 6,019,985.90

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Solution

The fourth proportional to 8,889,767.30, 13,334,650.95 and 6,019,985.90 is: 9,029,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,767.30 : 13,334,650.95 = 6,019,985.90 : x
  2. Step 2: Convert to fraction form
    8,889,767.30/13,334,650.95 = 6,019,985.90/x
  3. Step 3: Cross multiply
    8,889,767.30x = 13,334,650.95 × 6,019,985.90
  4. Step 4: Simplify right side
    8,889,767.30x = 80,274,410,700,421.61
  5. Step 5: Solve for x
    x = 80,274,410,700,421.61/8,889,767.30
  6. Step 6: Final answer
    x = 9,029,978.85

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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.