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Finding the Fourth Proportional to 9,927.76, 14,890.02 and 3,353.80

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Solution

The fourth proportional to 9,927.76, 14,890.02 and 3,353.80 is: 5,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.76 : 14,890.02 = 3,353.80 : x
  2. Step 2: Convert to fraction form
    9,927.76/14,890.02 = 3,353.80/x
  3. Step 3: Cross multiply
    9,927.76x = 14,890.02 × 3,353.80
  4. Step 4: Simplify right side
    9,927.76x = 49,938,149.08
  5. Step 5: Solve for x
    x = 49,938,149.08/9,927.76
  6. Step 6: Final answer
    x = 5,030.15

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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.