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Finding the Fourth Proportional to 9,881.01, 14,824.95 and 4,949.55

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Solution

The fourth proportional to 9,881.01, 14,824.95 and 4,949.55 is: 7,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.01 : 14,824.95 = 4,949.55 : x
  2. Step 2: Convert to fraction form
    9,881.01/14,824.95 = 4,949.55/x
  3. Step 3: Cross multiply
    9,881.01x = 14,824.95 × 4,949.55
  4. Step 4: Simplify right side
    9,881.01x = 73,376,831.27
  5. Step 5: Solve for x
    x = 73,376,831.27/9,881.01
  6. Step 6: Final answer
    x = 7,426.05

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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.