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Finding the Fourth Proportional to 26,524.42, 39,787.86 and 8,756.63

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Solution

The fourth proportional to 26,524.42, 39,787.86 and 8,756.63 is: 13,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,524.42 : 39,787.86 = 8,756.63 : x
  2. Step 2: Convert to fraction form
    26,524.42/39,787.86 = 8,756.63/x
  3. Step 3: Cross multiply
    26,524.42x = 39,787.86 × 8,756.63
  4. Step 4: Simplify right side
    26,524.42x = 348,407,568.51
  5. Step 5: Solve for x
    x = 348,407,568.51/26,524.42
  6. Step 6: Final answer
    x = 13,135.35

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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.