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Finding the Fourth Proportional to 12,572.67, 17,350.28 and 6,907.58

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Solution

The fourth proportional to 12,572.67, 17,350.28 and 6,907.58 is: 9,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.67 : 17,350.28 = 6,907.58 : x
  2. Step 2: Convert to fraction form
    12,572.67/17,350.28 = 6,907.58/x
  3. Step 3: Cross multiply
    12,572.67x = 17,350.28 × 6,907.58
  4. Step 4: Simplify right side
    12,572.67x = 119,848,447.12
  5. Step 5: Solve for x
    x = 119,848,447.12/12,572.67
  6. Step 6: Final answer
    x = 9,532.46

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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.