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Finding the Fourth Proportional to 9,097.92, 12,553.20 and 5,554.80

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Solution

The fourth proportional to 9,097.92, 12,553.20 and 5,554.80 is: 7,664.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,097.92 : 12,553.20 = 5,554.80 : x
  2. Step 2: Convert to fraction form
    9,097.92/12,553.20 = 5,554.80/x
  3. Step 3: Cross multiply
    9,097.92x = 12,553.20 × 5,554.80
  4. Step 4: Simplify right side
    9,097.92x = 69,730,515.36
  5. Step 5: Solve for x
    x = 69,730,515.36/9,097.92
  6. Step 6: Final answer
    x = 7,664.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.