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Finding the Fourth Proportional to 7,184.70, 10,777.05 and 5,726.70

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Solution

The fourth proportional to 7,184.70, 10,777.05 and 5,726.70 is: 8,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184.70 : 10,777.05 = 5,726.70 : x
  2. Step 2: Convert to fraction form
    7,184.70/10,777.05 = 5,726.70/x
  3. Step 3: Cross multiply
    7,184.70x = 10,777.05 × 5,726.70
  4. Step 4: Simplify right side
    7,184.70x = 61,716,932.24
  5. Step 5: Solve for x
    x = 61,716,932.24/7,184.70
  6. Step 6: Final answer
    x = 8,590.05

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Similar ratio
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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.