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Finding the Fourth Proportional to 15,152.59, 22,721.59 and 6,382.72

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Solution

The fourth proportional to 15,152.59, 22,721.59 and 6,382.72 is: 9,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.59 : 22,721.59 = 6,382.72 : x
  2. Step 2: Convert to fraction form
    15,152.59/22,721.59 = 6,382.72/x
  3. Step 3: Cross multiply
    15,152.59x = 22,721.59 × 6,382.72
  4. Step 4: Simplify right side
    15,152.59x = 145,025,546.92
  5. Step 5: Solve for x
    x = 145,025,546.92/15,152.59
  6. Step 6: Final answer
    x = 9,571.01

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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.