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Finding the Fourth Proportional to 24,326.76, 36,490.14 and 18,788.19

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Solution

The fourth proportional to 24,326.76, 36,490.14 and 18,788.19 is: 28,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,326.76 : 36,490.14 = 18,788.19 : x
  2. Step 2: Convert to fraction form
    24,326.76/36,490.14 = 18,788.19/x
  3. Step 3: Cross multiply
    24,326.76x = 36,490.14 × 18,788.19
  4. Step 4: Simplify right side
    24,326.76x = 685,583,683.45
  5. Step 5: Solve for x
    x = 685,583,683.45/24,326.76
  6. Step 6: Final answer
    x = 28,182.29

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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.