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Finding the Fourth Proportional to 7,966.52, 10,995.06 and 7,707.52

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Solution

The fourth proportional to 7,966.52, 10,995.06 and 7,707.52 is: 10,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.52 : 10,995.06 = 7,707.52 : x
  2. Step 2: Convert to fraction form
    7,966.52/10,995.06 = 7,707.52/x
  3. Step 3: Cross multiply
    7,966.52x = 10,995.06 × 7,707.52
  4. Step 4: Simplify right side
    7,966.52x = 84,744,644.85
  5. Step 5: Solve for x
    x = 84,744,644.85/7,966.52
  6. Step 6: Final answer
    x = 10,637.60

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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.