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Finding the Fourth Proportional to 17,842.40, 26,762.76 and 8,475.56

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Solution

The fourth proportional to 17,842.40, 26,762.76 and 8,475.56 is: 12,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.40 : 26,762.76 = 8,475.56 : x
  2. Step 2: Convert to fraction form
    17,842.40/26,762.76 = 8,475.56/x
  3. Step 3: Cross multiply
    17,842.40x = 26,762.76 × 8,475.56
  4. Step 4: Simplify right side
    17,842.40x = 226,829,378.15
  5. Step 5: Solve for x
    x = 226,829,378.15/17,842.40
  6. Step 6: Final answer
    x = 12,712.94

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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.