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Finding the Fourth Proportional to 5,281.66, 7,275.98 and 4,442.38

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Solution

The fourth proportional to 5,281.66, 7,275.98 and 4,442.38 is: 6,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.66 : 7,275.98 = 4,442.38 : x
  2. Step 2: Convert to fraction form
    5,281.66/7,275.98 = 4,442.38/x
  3. Step 3: Cross multiply
    5,281.66x = 7,275.98 × 4,442.38
  4. Step 4: Simplify right side
    5,281.66x = 32,322,668.03
  5. Step 5: Solve for x
    x = 32,322,668.03/5,281.66
  6. Step 6: Final answer
    x = 6,119.79

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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.