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Finding the Fourth Proportional to 9,572.40, 14,363.46 and 5,629.32

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Solution

The fourth proportional to 9,572.40, 14,363.46 and 5,629.32 is: 8,446.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,572.40 : 14,363.46 = 5,629.32 : x
  2. Step 2: Convert to fraction form
    9,572.40/14,363.46 = 5,629.32/x
  3. Step 3: Cross multiply
    9,572.40x = 14,363.46 × 5,629.32
  4. Step 4: Simplify right side
    9,572.40x = 80,856,512.65
  5. Step 5: Solve for x
    x = 80,856,512.65/9,572.40
  6. Step 6: Final answer
    x = 8,446.84

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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.