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Finding the Fourth Proportional to 6,692.76, 9,243.89 and 5,353.02

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Solution

The fourth proportional to 6,692.76, 9,243.89 and 5,353.02 is: 7,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,692.76 : 9,243.89 = 5,353.02 : x
  2. Step 2: Convert to fraction form
    6,692.76/9,243.89 = 5,353.02/x
  3. Step 3: Cross multiply
    6,692.76x = 9,243.89 × 5,353.02
  4. Step 4: Simplify right side
    6,692.76x = 49,482,721.36
  5. Step 5: Solve for x
    x = 49,482,721.36/6,692.76
  6. Step 6: Final answer
    x = 7,393.47

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Double scale
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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.