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Finding the Fourth Proportional to 8,785.62, 12,124.44 and 5,009.33

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Solution

The fourth proportional to 8,785.62, 12,124.44 and 5,009.33 is: 6,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.62 : 12,124.44 = 5,009.33 : x
  2. Step 2: Convert to fraction form
    8,785.62/12,124.44 = 5,009.33/x
  3. Step 3: Cross multiply
    8,785.62x = 12,124.44 × 5,009.33
  4. Step 4: Simplify right side
    8,785.62x = 60,735,351.34
  5. Step 5: Solve for x
    x = 60,735,351.34/8,785.62
  6. Step 6: Final answer
    x = 6,913.04

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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.