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Finding the Fourth Proportional to 6,798.66, 9,381.54 and 4,145.55

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Solution

The fourth proportional to 6,798.66, 9,381.54 and 4,145.55 is: 5,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.66 : 9,381.54 = 4,145.55 : x
  2. Step 2: Convert to fraction form
    6,798.66/9,381.54 = 4,145.55/x
  3. Step 3: Cross multiply
    6,798.66x = 9,381.54 × 4,145.55
  4. Step 4: Simplify right side
    6,798.66x = 38,891,643.15
  5. Step 5: Solve for x
    x = 38,891,643.15/6,798.66
  6. Step 6: Final answer
    x = 5,720.49

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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.