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Finding the Fourth Proportional to 2,833.32, 4,248.45 and 984.30

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Solution

The fourth proportional to 2,833.32, 4,248.45 and 984.30 is: 1,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.32 : 4,248.45 = 984.30 : x
  2. Step 2: Convert to fraction form
    2,833.32/4,248.45 = 984.30/x
  3. Step 3: Cross multiply
    2,833.32x = 4,248.45 × 984.30
  4. Step 4: Simplify right side
    2,833.32x = 4,181,749.34
  5. Step 5: Solve for x
    x = 4,181,749.34/2,833.32
  6. Step 6: Final answer
    x = 1,475.92

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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.