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Finding the Fourth Proportional to 26,695.35, 40,029.48 and 8,919.63

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Solution

The fourth proportional to 26,695.35, 40,029.48 and 8,919.63 is: 13,374.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,695.35 : 40,029.48 = 8,919.63 : x
  2. Step 2: Convert to fraction form
    26,695.35/40,029.48 = 8,919.63/x
  3. Step 3: Cross multiply
    26,695.35x = 40,029.48 × 8,919.63
  4. Step 4: Simplify right side
    26,695.35x = 357,048,150.69
  5. Step 5: Solve for x
    x = 357,048,150.69/26,695.35
  6. Step 6: Final answer
    x = 13,374.92

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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.