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Finding the Fourth Proportional to 12,572.30, 17,350.08 and 6,907.42

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Solution

The fourth proportional to 12,572.30, 17,350.08 and 6,907.42 is: 9,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.30 : 17,350.08 = 6,907.42 : x
  2. Step 2: Convert to fraction form
    12,572.30/17,350.08 = 6,907.42/x
  3. Step 3: Cross multiply
    12,572.30x = 17,350.08 × 6,907.42
  4. Step 4: Simplify right side
    12,572.30x = 119,844,294.86
  5. Step 5: Solve for x
    x = 119,844,294.86/12,572.30
  6. Step 6: Final answer
    x = 9,532.41

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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.