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Finding the Fourth Proportional to 12,531.03, 17,292.83 and 7,495.47

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Solution

The fourth proportional to 12,531.03, 17,292.83 and 7,495.47 is: 10,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.03 : 17,292.83 = 7,495.47 : x
  2. Step 2: Convert to fraction form
    12,531.03/17,292.83 = 7,495.47/x
  3. Step 3: Cross multiply
    12,531.03x = 17,292.83 × 7,495.47
  4. Step 4: Simplify right side
    12,531.03x = 129,617,764.54
  5. Step 5: Solve for x
    x = 129,617,764.54/12,531.03
  6. Step 6: Final answer
    x = 10,343.74

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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.