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Finding the Fourth Proportional to 7,152.24, 10,728.39 and 2,532

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Solution

The fourth proportional to 7,152.24, 10,728.39 and 2,532 is: 3,798.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.24 : 10,728.39 = 2,532 : x
  2. Step 2: Convert to fraction form
    7,152.24/10,728.39 = 2,532/x
  3. Step 3: Cross multiply
    7,152.24x = 10,728.39 × 2,532
  4. Step 4: Simplify right side
    7,152.24x = 27,164,283.48
  5. Step 5: Solve for x
    x = 27,164,283.48/7,152.24
  6. Step 6: Final answer
    x = 3,798.01

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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.