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Finding the Fourth Proportional to 12,530.68, 17,297.22 and 7,230.04

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Solution

The fourth proportional to 12,530.68, 17,297.22 and 7,230.04 is: 9,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.68 : 17,297.22 = 7,230.04 : x
  2. Step 2: Convert to fraction form
    12,530.68/17,297.22 = 7,230.04/x
  3. Step 3: Cross multiply
    12,530.68x = 17,297.22 × 7,230.04
  4. Step 4: Simplify right side
    12,530.68x = 125,059,592.49
  5. Step 5: Solve for x
    x = 125,059,592.49/12,530.68
  6. Step 6: Final answer
    x = 9,980.27

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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.