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Finding the Fourth Proportional to 6,359.79, 8,777.01 and 3,527.44

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Solution

The fourth proportional to 6,359.79, 8,777.01 and 3,527.44 is: 4,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.79 : 8,777.01 = 3,527.44 : x
  2. Step 2: Convert to fraction form
    6,359.79/8,777.01 = 3,527.44/x
  3. Step 3: Cross multiply
    6,359.79x = 8,777.01 × 3,527.44
  4. Step 4: Simplify right side
    6,359.79x = 30,960,376.15
  5. Step 5: Solve for x
    x = 30,960,376.15/6,359.79
  6. Step 6: Final answer
    x = 4,868.14

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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.