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Finding the Fourth Proportional to 6,951.02, 9,592.81 and 3,967.81

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Solution

The fourth proportional to 6,951.02, 9,592.81 and 3,967.81 is: 5,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.02 : 9,592.81 = 3,967.81 : x
  2. Step 2: Convert to fraction form
    6,951.02/9,592.81 = 3,967.81/x
  3. Step 3: Cross multiply
    6,951.02x = 9,592.81 × 3,967.81
  4. Step 4: Simplify right side
    6,951.02x = 38,062,482.38
  5. Step 5: Solve for x
    x = 38,062,482.38/6,951.02
  6. Step 6: Final answer
    x = 5,475.81

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Find fourth proportional to 3,475.51, 4,796.41 and 1,983.91
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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.