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Finding the Fourth Proportional to 5,065.76, 6,995.58 and 4,789.66

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Solution

The fourth proportional to 5,065.76, 6,995.58 and 4,789.66 is: 6,614.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.76 : 6,995.58 = 4,789.66 : x
  2. Step 2: Convert to fraction form
    5,065.76/6,995.58 = 4,789.66/x
  3. Step 3: Cross multiply
    5,065.76x = 6,995.58 × 4,789.66
  4. Step 4: Simplify right side
    5,065.76x = 33,506,449.70
  5. Step 5: Solve for x
    x = 33,506,449.70/5,065.76
  6. Step 6: Final answer
    x = 6,614.30

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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.