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Finding the Fourth Proportional to 6,187.95, 9,279.60 and 2,488.93

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Solution

The fourth proportional to 6,187.95, 9,279.60 and 2,488.93 is: 3,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.95 : 9,279.60 = 2,488.93 : x
  2. Step 2: Convert to fraction form
    6,187.95/9,279.60 = 2,488.93/x
  3. Step 3: Cross multiply
    6,187.95x = 9,279.60 × 2,488.93
  4. Step 4: Simplify right side
    6,187.95x = 23,096,274.83
  5. Step 5: Solve for x
    x = 23,096,274.83/6,187.95
  6. Step 6: Final answer
    x = 3,732.46

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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.