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Finding the Fourth Proportional to 26,392.95, 39,590.78 and 6,671.67

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Solution

The fourth proportional to 26,392.95, 39,590.78 and 6,671.67 is: 10,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.95 : 39,590.78 = 6,671.67 : x
  2. Step 2: Convert to fraction form
    26,392.95/39,590.78 = 6,671.67/x
  3. Step 3: Cross multiply
    26,392.95x = 39,590.78 × 6,671.67
  4. Step 4: Simplify right side
    26,392.95x = 264,136,619.20
  5. Step 5: Solve for x
    x = 264,136,619.20/26,392.95
  6. Step 6: Final answer
    x = 10,007.85

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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.