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Finding the Fourth Proportional to 5,873.32, 8,812.14 and 4,231.72

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Solution

The fourth proportional to 5,873.32, 8,812.14 and 4,231.72 is: 6,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.32 : 8,812.14 = 4,231.72 : x
  2. Step 2: Convert to fraction form
    5,873.32/8,812.14 = 4,231.72/x
  3. Step 3: Cross multiply
    5,873.32x = 8,812.14 × 4,231.72
  4. Step 4: Simplify right side
    5,873.32x = 37,290,509.08
  5. Step 5: Solve for x
    x = 37,290,509.08/5,873.32
  6. Step 6: Final answer
    x = 6,349.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.