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Finding the Fourth Proportional to 12,452.63, 17,179.88 and 7,417.04

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Solution

The fourth proportional to 12,452.63, 17,179.88 and 7,417.04 is: 10,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.63 : 17,179.88 = 7,417.04 : x
  2. Step 2: Convert to fraction form
    12,452.63/17,179.88 = 7,417.04/x
  3. Step 3: Cross multiply
    12,452.63x = 17,179.88 × 7,417.04
  4. Step 4: Simplify right side
    12,452.63x = 127,423,734.17
  5. Step 5: Solve for x
    x = 127,423,734.17/12,452.63
  6. Step 6: Final answer
    x = 10,232.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.