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Finding the Fourth Proportional to 4,175.76, 6,271.76 and 3,253.20

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Solution

The fourth proportional to 4,175.76, 6,271.76 and 3,253.20 is: 4,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.76 : 6,271.76 = 3,253.20 : x
  2. Step 2: Convert to fraction form
    4,175.76/6,271.76 = 3,253.20/x
  3. Step 3: Cross multiply
    4,175.76x = 6,271.76 × 3,253.20
  4. Step 4: Simplify right side
    4,175.76x = 20,403,289.63
  5. Step 5: Solve for x
    x = 20,403,289.63/4,175.76
  6. Step 6: Final answer
    x = 4,886.13

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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.