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Finding the Fourth Proportional to 17,970.60, 26,952.42 and 5,487.60

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Solution

The fourth proportional to 17,970.60, 26,952.42 and 5,487.60 is: 8,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.60 : 26,952.42 = 5,487.60 : x
  2. Step 2: Convert to fraction form
    17,970.60/26,952.42 = 5,487.60/x
  3. Step 3: Cross multiply
    17,970.60x = 26,952.42 × 5,487.60
  4. Step 4: Simplify right side
    17,970.60x = 147,904,099.99
  5. Step 5: Solve for x
    x = 147,904,099.99/17,970.60
  6. Step 6: Final answer
    x = 8,230.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.