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Finding the Fourth Proportional to 5,232.51, 7,847.54 and 1,947.15

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Solution

The fourth proportional to 5,232.51, 7,847.54 and 1,947.15 is: 2,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.51 : 7,847.54 = 1,947.15 : x
  2. Step 2: Convert to fraction form
    5,232.51/7,847.54 = 1,947.15/x
  3. Step 3: Cross multiply
    5,232.51x = 7,847.54 × 1,947.15
  4. Step 4: Simplify right side
    5,232.51x = 15,280,337.51
  5. Step 5: Solve for x
    x = 15,280,337.51/5,232.51
  6. Step 6: Final answer
    x = 2,920.27

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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.