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Finding the Fourth Proportional to 6,612.70, 9,125.95 and 4,370.65

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Solution

The fourth proportional to 6,612.70, 9,125.95 and 4,370.65 is: 6,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.70 : 9,125.95 = 4,370.65 : x
  2. Step 2: Convert to fraction form
    6,612.70/9,125.95 = 4,370.65/x
  3. Step 3: Cross multiply
    6,612.70x = 9,125.95 × 4,370.65
  4. Step 4: Simplify right side
    6,612.70x = 39,886,333.37
  5. Step 5: Solve for x
    x = 39,886,333.37/6,612.70
  6. Step 6: Final answer
    x = 6,031.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.