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Finding the Fourth Proportional to 18,585.08, 27,877.62 and 6,895.16

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Solution

The fourth proportional to 18,585.08, 27,877.62 and 6,895.16 is: 10,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.08 : 27,877.62 = 6,895.16 : x
  2. Step 2: Convert to fraction form
    18,585.08/27,877.62 = 6,895.16/x
  3. Step 3: Cross multiply
    18,585.08x = 27,877.62 × 6,895.16
  4. Step 4: Simplify right side
    18,585.08x = 192,220,650.32
  5. Step 5: Solve for x
    x = 192,220,650.32/18,585.08
  6. Step 6: Final answer
    x = 10,342.74

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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.