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Finding the Fourth Proportional to 8,852.68, 13,242.54 and 7,274.92

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Solution

The fourth proportional to 8,852.68, 13,242.54 and 7,274.92 is: 10,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.68 : 13,242.54 = 7,274.92 : x
  2. Step 2: Convert to fraction form
    8,852.68/13,242.54 = 7,274.92/x
  3. Step 3: Cross multiply
    8,852.68x = 13,242.54 × 7,274.92
  4. Step 4: Simplify right side
    8,852.68x = 96,338,419.10
  5. Step 5: Solve for x
    x = 96,338,419.10/8,852.68
  6. Step 6: Final answer
    x = 10,882.40

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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.