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Finding the Fourth Proportional to 26,842.52, 40,255.68 and 11,256.68

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Solution

The fourth proportional to 26,842.52, 40,255.68 and 11,256.68 is: 16,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,842.52 : 40,255.68 = 11,256.68 : x
  2. Step 2: Convert to fraction form
    26,842.52/40,255.68 = 11,256.68/x
  3. Step 3: Cross multiply
    26,842.52x = 40,255.68 × 11,256.68
  4. Step 4: Simplify right side
    26,842.52x = 453,145,307.94
  5. Step 5: Solve for x
    x = 453,145,307.94/26,842.52
  6. Step 6: Final answer
    x = 16,881.62

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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.