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Finding the Fourth Proportional to 9,980.20, 14,948.70 and 6,092.20

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Solution

The fourth proportional to 9,980.20, 14,948.70 and 6,092.20 is: 9,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.20 : 14,948.70 = 6,092.20 : x
  2. Step 2: Convert to fraction form
    9,980.20/14,948.70 = 6,092.20/x
  3. Step 3: Cross multiply
    9,980.20x = 14,948.70 × 6,092.20
  4. Step 4: Simplify right side
    9,980.20x = 91,070,470.14
  5. Step 5: Solve for x
    x = 91,070,470.14/9,980.20
  6. Step 6: Final answer
    x = 9,125.11

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1.5x scale

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.