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Finding the Fourth Proportional to 9,924,603.40, 14,888,978.70 and 3,193,697.80

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Solution

The fourth proportional to 9,924,603.40, 14,888,978.70 and 3,193,697.80 is: 4,791,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924,603.40 : 14,888,978.70 = 3,193,697.80 : x
  2. Step 2: Convert to fraction form
    9,924,603.40/14,888,978.70 = 3,193,697.80/x
  3. Step 3: Cross multiply
    9,924,603.40x = 14,888,978.70 × 3,193,697.80
  4. Step 4: Simplify right side
    9,924,603.40x = 47,550,898,518,436.85
  5. Step 5: Solve for x
    x = 47,550,898,518,436.85/9,924,603.40
  6. Step 6: Final answer
    x = 4,791,213.98

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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.