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Finding the Fourth Proportional to 8,347.66, 12,521.49 and 2,504.42

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Solution

The fourth proportional to 8,347.66, 12,521.49 and 2,504.42 is: 3,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,347.66 : 12,521.49 = 2,504.42 : x
  2. Step 2: Convert to fraction form
    8,347.66/12,521.49 = 2,504.42/x
  3. Step 3: Cross multiply
    8,347.66x = 12,521.49 × 2,504.42
  4. Step 4: Simplify right side
    8,347.66x = 31,359,044.94
  5. Step 5: Solve for x
    x = 31,359,044.94/8,347.66
  6. Step 6: Final answer
    x = 3,756.63

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Half scale
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Double scale
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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.