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Finding the Fourth Proportional to 8,937.09, 12,325.64 and 8,444.61

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Solution

The fourth proportional to 8,937.09, 12,325.64 and 8,444.61 is: 11,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.09 : 12,325.64 = 8,444.61 : x
  2. Step 2: Convert to fraction form
    8,937.09/12,325.64 = 8,444.61/x
  3. Step 3: Cross multiply
    8,937.09x = 12,325.64 × 8,444.61
  4. Step 4: Simplify right side
    8,937.09x = 104,085,180.58
  5. Step 5: Solve for x
    x = 104,085,180.58/8,937.09
  6. Step 6: Final answer
    x = 11,646.43

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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.