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Finding the Fourth Proportional to 18,407.96, 27,612.62 and 5,926.32

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Solution

The fourth proportional to 18,407.96, 27,612.62 and 5,926.32 is: 8,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.96 : 27,612.62 = 5,926.32 : x
  2. Step 2: Convert to fraction form
    18,407.96/27,612.62 = 5,926.32/x
  3. Step 3: Cross multiply
    18,407.96x = 27,612.62 × 5,926.32
  4. Step 4: Simplify right side
    18,407.96x = 163,641,222.16
  5. Step 5: Solve for x
    x = 163,641,222.16/18,407.96
  6. Step 6: Final answer
    x = 8,889.70

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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.