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Finding the Fourth Proportional to 7,022.79, 9,692.39 and 6,792.02

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Solution

The fourth proportional to 7,022.79, 9,692.39 and 6,792.02 is: 9,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.79 : 9,692.39 = 6,792.02 : x
  2. Step 2: Convert to fraction form
    7,022.79/9,692.39 = 6,792.02/x
  3. Step 3: Cross multiply
    7,022.79x = 9,692.39 × 6,792.02
  4. Step 4: Simplify right side
    7,022.79x = 65,830,824.31
  5. Step 5: Solve for x
    x = 65,830,824.31/7,022.79
  6. Step 6: Final answer
    x = 9,373.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.