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Finding the Fourth Proportional to 7,266.70, 10,893.67 and 2,881.16

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Solution

The fourth proportional to 7,266.70, 10,893.67 and 2,881.16 is: 4,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,266.70 : 10,893.67 = 2,881.16 : x
  2. Step 2: Convert to fraction form
    7,266.70/10,893.67 = 2,881.16/x
  3. Step 3: Cross multiply
    7,266.70x = 10,893.67 × 2,881.16
  4. Step 4: Simplify right side
    7,266.70x = 31,386,406.26
  5. Step 5: Solve for x
    x = 31,386,406.26/7,266.70
  6. Step 6: Final answer
    x = 4,319.21

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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.