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Finding the Fourth Proportional to 26,987.17, 40,483.46 and 8,266.99

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Solution

The fourth proportional to 26,987.17, 40,483.46 and 8,266.99 is: 12,401.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.17 : 40,483.46 = 8,266.99 : x
  2. Step 2: Convert to fraction form
    26,987.17/40,483.46 = 8,266.99/x
  3. Step 3: Cross multiply
    26,987.17x = 40,483.46 × 8,266.99
  4. Step 4: Simplify right side
    26,987.17x = 334,676,317.65
  5. Step 5: Solve for x
    x = 334,676,317.65/26,987.17
  6. Step 6: Final answer
    x = 12,401.31

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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.