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Finding the Fourth Proportional to 8,751.45, 13,116.18 and 6,895.23

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Solution

The fourth proportional to 8,751.45, 13,116.18 and 6,895.23 is: 10,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.45 : 13,116.18 = 6,895.23 : x
  2. Step 2: Convert to fraction form
    8,751.45/13,116.18 = 6,895.23/x
  3. Step 3: Cross multiply
    8,751.45x = 13,116.18 × 6,895.23
  4. Step 4: Simplify right side
    8,751.45x = 90,439,077.82
  5. Step 5: Solve for x
    x = 90,439,077.82/8,751.45
  6. Step 6: Final answer
    x = 10,334.18

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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.