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Finding the Fourth Proportional to 8,846.51, 12,203.12 and 5,528.75

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Solution

The fourth proportional to 8,846.51, 12,203.12 and 5,528.75 is: 7,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.51 : 12,203.12 = 5,528.75 : x
  2. Step 2: Convert to fraction form
    8,846.51/12,203.12 = 5,528.75/x
  3. Step 3: Cross multiply
    8,846.51x = 12,203.12 × 5,528.75
  4. Step 4: Simplify right side
    8,846.51x = 67,467,972.06
  5. Step 5: Solve for x
    x = 67,467,972.06/8,846.51
  6. Step 6: Final answer
    x = 7,626.51

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Half scale
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Double 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.