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Finding the Fourth Proportional to 18,562.77, 27,833.22 and 12,326.18

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Solution

The fourth proportional to 18,562.77, 27,833.22 and 12,326.18 is: 18,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.77 : 27,833.22 = 12,326.18 : x
  2. Step 2: Convert to fraction form
    18,562.77/27,833.22 = 12,326.18/x
  3. Step 3: Cross multiply
    18,562.77x = 27,833.22 × 12,326.18
  4. Step 4: Simplify right side
    18,562.77x = 343,077,140.53
  5. Step 5: Solve for x
    x = 343,077,140.53/18,562.77
  6. Step 6: Final answer
    x = 18,482.00

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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.