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Finding the Fourth Proportional to 7,283.84, 10,940.34 and 7,108.88

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Solution

The fourth proportional to 7,283.84, 10,940.34 and 7,108.88 is: 10,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.84 : 10,940.34 = 7,108.88 : x
  2. Step 2: Convert to fraction form
    7,283.84/10,940.34 = 7,108.88/x
  3. Step 3: Cross multiply
    7,283.84x = 10,940.34 × 7,108.88
  4. Step 4: Simplify right side
    7,283.84x = 77,773,564.22
  5. Step 5: Solve for x
    x = 77,773,564.22/7,283.84
  6. Step 6: Final answer
    x = 10,677.55

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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.