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Finding the Fourth Proportional to 6,359.69, 8,776.14 and 3,527.19

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Solution

The fourth proportional to 6,359.69, 8,776.14 and 3,527.19 is: 4,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.69 : 8,776.14 = 3,527.19 : x
  2. Step 2: Convert to fraction form
    6,359.69/8,776.14 = 3,527.19/x
  3. Step 3: Cross multiply
    6,359.69x = 8,776.14 × 3,527.19
  4. Step 4: Simplify right side
    6,359.69x = 30,955,113.25
  5. Step 5: Solve for x
    x = 30,955,113.25/6,359.69
  6. Step 6: Final answer
    x = 4,867.39

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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.