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Finding the Fourth Proportional to 5,281.65, 7,275.99 and 4,442.37

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Solution

The fourth proportional to 5,281.65, 7,275.99 and 4,442.37 is: 6,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.65 : 7,275.99 = 4,442.37 : x
  2. Step 2: Convert to fraction form
    5,281.65/7,275.99 = 4,442.37/x
  3. Step 3: Cross multiply
    5,281.65x = 7,275.99 × 4,442.37
  4. Step 4: Simplify right side
    5,281.65x = 32,322,639.70
  5. Step 5: Solve for x
    x = 32,322,639.70/5,281.65
  6. Step 6: Final answer
    x = 6,119.80

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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.