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Finding the Fourth Proportional to 8,796.74, 13,176.74 and 5,275.58

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Solution

The fourth proportional to 8,796.74, 13,176.74 and 5,275.58 is: 7,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.74 : 13,176.74 = 5,275.58 : x
  2. Step 2: Convert to fraction form
    8,796.74/13,176.74 = 5,275.58/x
  3. Step 3: Cross multiply
    8,796.74x = 13,176.74 × 5,275.58
  4. Step 4: Simplify right side
    8,796.74x = 69,514,893.31
  5. Step 5: Solve for x
    x = 69,514,893.31/8,796.74
  6. Step 6: Final answer
    x = 7,902.35

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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.