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Finding the Fourth Proportional to 7,873.63, 11,799.69 and 4,358.41

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Solution

The fourth proportional to 7,873.63, 11,799.69 and 4,358.41 is: 6,531.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.63 : 11,799.69 = 4,358.41 : x
  2. Step 2: Convert to fraction form
    7,873.63/11,799.69 = 4,358.41/x
  3. Step 3: Cross multiply
    7,873.63x = 11,799.69 × 4,358.41
  4. Step 4: Simplify right side
    7,873.63x = 51,427,886.89
  5. Step 5: Solve for x
    x = 51,427,886.89/7,873.63
  6. Step 6: Final answer
    x = 6,531.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.