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Finding the Fourth Proportional to 8,752.48, 13,077.47 and 8,446.24

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Solution

The fourth proportional to 8,752.48, 13,077.47 and 8,446.24 is: 12,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.48 : 13,077.47 = 8,446.24 : x
  2. Step 2: Convert to fraction form
    8,752.48/13,077.47 = 8,446.24/x
  3. Step 3: Cross multiply
    8,752.48x = 13,077.47 × 8,446.24
  4. Step 4: Simplify right side
    8,752.48x = 110,455,450.21
  5. Step 5: Solve for x
    x = 110,455,450.21/8,752.48
  6. Step 6: Final answer
    x = 12,619.90

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.