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Finding the Fourth Proportional to 9,980.07, 14,979.39 and 5,053.14

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Solution

The fourth proportional to 9,980.07, 14,979.39 and 5,053.14 is: 7,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980.07 : 14,979.39 = 5,053.14 : x
  2. Step 2: Convert to fraction form
    9,980.07/14,979.39 = 5,053.14/x
  3. Step 3: Cross multiply
    9,980.07x = 14,979.39 × 5,053.14
  4. Step 4: Simplify right side
    9,980.07x = 75,692,954.78
  5. Step 5: Solve for x
    x = 75,692,954.78/9,980.07
  6. Step 6: Final answer
    x = 7,584.41

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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.