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Finding the Fourth Proportional to 7,308.67, 10,947.48 and 7,052.92

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Solution

The fourth proportional to 7,308.67, 10,947.48 and 7,052.92 is: 10,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.67 : 10,947.48 = 7,052.92 : x
  2. Step 2: Convert to fraction form
    7,308.67/10,947.48 = 7,052.92/x
  3. Step 3: Cross multiply
    7,308.67x = 10,947.48 × 7,052.92
  4. Step 4: Simplify right side
    7,308.67x = 77,211,700.64
  5. Step 5: Solve for x
    x = 77,211,700.64/7,308.67
  6. Step 6: Final answer
    x = 10,564.40

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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.