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Finding the Fourth Proportional to 26,959.62, 40,401.87 and 13,784.16

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Solution

The fourth proportional to 26,959.62, 40,401.87 and 13,784.16 is: 20,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,959.62 : 40,401.87 = 13,784.16 : x
  2. Step 2: Convert to fraction form
    26,959.62/40,401.87 = 13,784.16/x
  3. Step 3: Cross multiply
    26,959.62x = 40,401.87 × 13,784.16
  4. Step 4: Simplify right side
    26,959.62x = 556,905,840.38
  5. Step 5: Solve for x
    x = 556,905,840.38/26,959.62
  6. Step 6: Final answer
    x = 20,657.04

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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.