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Finding the Fourth Proportional to 26,641.50, 39,962.28 and 8,173.50

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Solution

The fourth proportional to 26,641.50, 39,962.28 and 8,173.50 is: 12,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,641.50 : 39,962.28 = 8,173.50 : x
  2. Step 2: Convert to fraction form
    26,641.50/39,962.28 = 8,173.50/x
  3. Step 3: Cross multiply
    26,641.50x = 39,962.28 × 8,173.50
  4. Step 4: Simplify right side
    26,641.50x = 326,631,695.58
  5. Step 5: Solve for x
    x = 326,631,695.58/26,641.50
  6. Step 6: Final answer
    x = 12,260.26

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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.