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Finding the Fourth Proportional to 7,660.51, 11,490.80 and 5,062.87

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Solution

The fourth proportional to 7,660.51, 11,490.80 and 5,062.87 is: 7,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.51 : 11,490.80 = 5,062.87 : x
  2. Step 2: Convert to fraction form
    7,660.51/11,490.80 = 5,062.87/x
  3. Step 3: Cross multiply
    7,660.51x = 11,490.80 × 5,062.87
  4. Step 4: Simplify right side
    7,660.51x = 58,176,401.28
  5. Step 5: Solve for x
    x = 58,176,401.28/7,660.51
  6. Step 6: Final answer
    x = 7,594.32

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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.