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Finding the Fourth Proportional to 4,572.81, 6,859.80 and 2,232.90

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Solution

The fourth proportional to 4,572.81, 6,859.80 and 2,232.90 is: 3,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.81 : 6,859.80 = 2,232.90 : x
  2. Step 2: Convert to fraction form
    4,572.81/6,859.80 = 2,232.90/x
  3. Step 3: Cross multiply
    4,572.81x = 6,859.80 × 2,232.90
  4. Step 4: Simplify right side
    4,572.81x = 15,317,247.42
  5. Step 5: Solve for x
    x = 15,317,247.42/4,572.81
  6. Step 6: Final answer
    x = 3,349.64

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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.