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Finding the Fourth Proportional to 23,369.68, 35,054.52 and 12,423.12

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Solution

The fourth proportional to 23,369.68, 35,054.52 and 12,423.12 is: 18,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,369.68 : 35,054.52 = 12,423.12 : x
  2. Step 2: Convert to fraction form
    23,369.68/35,054.52 = 12,423.12/x
  3. Step 3: Cross multiply
    23,369.68x = 35,054.52 × 12,423.12
  4. Step 4: Simplify right side
    23,369.68x = 435,486,508.50
  5. Step 5: Solve for x
    x = 435,486,508.50/23,369.68
  6. Step 6: Final answer
    x = 18,634.68

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Double scale
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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.