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Finding the Fourth Proportional to 5,725.32, 8,562.74 and 4,984.12

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Solution

The fourth proportional to 5,725.32, 8,562.74 and 4,984.12 is: 7,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.32 : 8,562.74 = 4,984.12 : x
  2. Step 2: Convert to fraction form
    5,725.32/8,562.74 = 4,984.12/x
  3. Step 3: Cross multiply
    5,725.32x = 8,562.74 × 4,984.12
  4. Step 4: Simplify right side
    5,725.32x = 42,677,723.69
  5. Step 5: Solve for x
    x = 42,677,723.69/5,725.32
  6. Step 6: Final answer
    x = 7,454.21

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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.