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Finding the Fourth Proportional to 9,913.42, 14,859.78 and 3,337.39

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Solution

The fourth proportional to 9,913.42, 14,859.78 and 3,337.39 is: 5,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.42 : 14,859.78 = 3,337.39 : x
  2. Step 2: Convert to fraction form
    9,913.42/14,859.78 = 3,337.39/x
  3. Step 3: Cross multiply
    9,913.42x = 14,859.78 × 3,337.39
  4. Step 4: Simplify right side
    9,913.42x = 49,592,881.17
  5. Step 5: Solve for x
    x = 49,592,881.17/9,913.42
  6. Step 6: Final answer
    x = 5,002.60

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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.