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Finding the Fourth Proportional to 40,956.59, 61,434.27 and 13,254.59

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Solution

The fourth proportional to 40,956.59, 61,434.27 and 13,254.59 is: 19,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.59 : 61,434.27 = 13,254.59 : x
  2. Step 2: Convert to fraction form
    40,956.59/61,434.27 = 13,254.59/x
  3. Step 3: Cross multiply
    40,956.59x = 61,434.27 × 13,254.59
  4. Step 4: Simplify right side
    40,956.59x = 814,285,753.63
  5. Step 5: Solve for x
    x = 814,285,753.63/40,956.59
  6. Step 6: Final answer
    x = 19,881.68

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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.