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Finding the Fourth Proportional to 7,332.95, 10,990.91 and 5,684.19

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Solution

The fourth proportional to 7,332.95, 10,990.91 and 5,684.19 is: 8,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.95 : 10,990.91 = 5,684.19 : x
  2. Step 2: Convert to fraction form
    7,332.95/10,990.91 = 5,684.19/x
  3. Step 3: Cross multiply
    7,332.95x = 10,990.91 × 5,684.19
  4. Step 4: Simplify right side
    7,332.95x = 62,474,392.29
  5. Step 5: Solve for x
    x = 62,474,392.29/7,332.95
  6. Step 6: Final answer
    x = 8,519.69

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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.