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Finding the Fourth Proportional to 6,368.79, 9,549.47 and 3,773.55

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Solution

The fourth proportional to 6,368.79, 9,549.47 and 3,773.55 is: 5,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.79 : 9,549.47 = 3,773.55 : x
  2. Step 2: Convert to fraction form
    6,368.79/9,549.47 = 3,773.55/x
  3. Step 3: Cross multiply
    6,368.79x = 9,549.47 × 3,773.55
  4. Step 4: Simplify right side
    6,368.79x = 36,035,383.65
  5. Step 5: Solve for x
    x = 36,035,383.65/6,368.79
  6. Step 6: Final answer
    x = 5,658.12

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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.