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Finding the Fourth Proportional to 8,544.34, 11,790.78 and 6,305.39

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Solution

The fourth proportional to 8,544.34, 11,790.78 and 6,305.39 is: 8,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.34 : 11,790.78 = 6,305.39 : x
  2. Step 2: Convert to fraction form
    8,544.34/11,790.78 = 6,305.39/x
  3. Step 3: Cross multiply
    8,544.34x = 11,790.78 × 6,305.39
  4. Step 4: Simplify right side
    8,544.34x = 74,345,529.71
  5. Step 5: Solve for x
    x = 74,345,529.71/8,544.34
  6. Step 6: Final answer
    x = 8,701.15

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Half scale
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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.