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Finding the Fourth Proportional to 35,859.60, 53,789.40 and 13,673.70

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Solution

The fourth proportional to 35,859.60, 53,789.40 and 13,673.70 is: 20,510.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,859.60 : 53,789.40 = 13,673.70 : x
  2. Step 2: Convert to fraction form
    35,859.60/53,789.40 = 13,673.70/x
  3. Step 3: Cross multiply
    35,859.60x = 53,789.40 × 13,673.70
  4. Step 4: Simplify right side
    35,859.60x = 735,500,118.78
  5. Step 5: Solve for x
    x = 735,500,118.78/35,859.60
  6. Step 6: Final answer
    x = 20,510.55

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Similar ratio
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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.