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Finding the Fourth Proportional to 7,079.43, 9,767.99 and 4,393.07

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Solution

The fourth proportional to 7,079.43, 9,767.99 and 4,393.07 is: 6,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.43 : 9,767.99 = 4,393.07 : x
  2. Step 2: Convert to fraction form
    7,079.43/9,767.99 = 4,393.07/x
  3. Step 3: Cross multiply
    7,079.43x = 9,767.99 × 4,393.07
  4. Step 4: Simplify right side
    7,079.43x = 42,911,462.60
  5. Step 5: Solve for x
    x = 42,911,462.60/7,079.43
  6. Step 6: Final answer
    x = 6,061.43

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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.