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Finding the Fourth Proportional to 8,973.10, 13,367.56 and 8,568.29

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Solution

The fourth proportional to 8,973.10, 13,367.56 and 8,568.29 is: 12,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.10 : 13,367.56 = 8,568.29 : x
  2. Step 2: Convert to fraction form
    8,973.10/13,367.56 = 8,568.29/x
  3. Step 3: Cross multiply
    8,973.10x = 13,367.56 × 8,568.29
  4. Step 4: Simplify right side
    8,973.10x = 114,537,140.74
  5. Step 5: Solve for x
    x = 114,537,140.74/8,973.10
  6. Step 6: Final answer
    x = 12,764.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.