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Finding the Fourth Proportional to 38,408.77, 57,612.88 and 10,706.77

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Solution

The fourth proportional to 38,408.77, 57,612.88 and 10,706.77 is: 16,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.77 : 57,612.88 = 10,706.77 : x
  2. Step 2: Convert to fraction form
    38,408.77/57,612.88 = 10,706.77/x
  3. Step 3: Cross multiply
    38,408.77x = 57,612.88 × 10,706.77
  4. Step 4: Simplify right side
    38,408.77x = 616,847,855.20
  5. Step 5: Solve for x
    x = 616,847,855.20/38,408.77
  6. Step 6: Final answer
    x = 16,060.08

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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.