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Finding the Fourth Proportional to 8,825.37, 13,300.04 and 7,948.97

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Solution

The fourth proportional to 8,825.37, 13,300.04 and 7,948.97 is: 11,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.37 : 13,300.04 = 7,948.97 : x
  2. Step 2: Convert to fraction form
    8,825.37/13,300.04 = 7,948.97/x
  3. Step 3: Cross multiply
    8,825.37x = 13,300.04 × 7,948.97
  4. Step 4: Simplify right side
    8,825.37x = 105,721,618.96
  5. Step 5: Solve for x
    x = 105,721,618.96/8,825.37
  6. Step 6: Final answer
    x = 11,979.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.