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Finding the Fourth Proportional to 8,532, 12,798.72 and 2,376

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Solution

The fourth proportional to 8,532, 12,798.72 and 2,376 is: 3,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532 : 12,798.72 = 2,376 : x
  2. Step 2: Convert to fraction form
    8,532/12,798.72 = 2,376/x
  3. Step 3: Cross multiply
    8,532x = 12,798.72 × 2,376
  4. Step 4: Simplify right side
    8,532x = 30,409,758.72
  5. Step 5: Solve for x
    x = 30,409,758.72/8,532
  6. Step 6: Final answer
    x = 3,564.20

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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.