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Finding the Fourth Proportional to 23,856.60, 35,784.90 and 18,337.80

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Solution

The fourth proportional to 23,856.60, 35,784.90 and 18,337.80 is: 27,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,856.60 : 35,784.90 = 18,337.80 : x
  2. Step 2: Convert to fraction form
    23,856.60/35,784.90 = 18,337.80/x
  3. Step 3: Cross multiply
    23,856.60x = 35,784.90 × 18,337.80
  4. Step 4: Simplify right side
    23,856.60x = 656,216,339.22
  5. Step 5: Solve for x
    x = 656,216,339.22/23,856.60
  6. Step 6: Final answer
    x = 27,506.70

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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.