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Finding the Fourth Proportional to 7,674.81, 10,591.18 and 4,362.81

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Solution

The fourth proportional to 7,674.81, 10,591.18 and 4,362.81 is: 6,020.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.81 : 10,591.18 = 4,362.81 : x
  2. Step 2: Convert to fraction form
    7,674.81/10,591.18 = 4,362.81/x
  3. Step 3: Cross multiply
    7,674.81x = 10,591.18 × 4,362.81
  4. Step 4: Simplify right side
    7,674.81x = 46,207,306.02
  5. Step 5: Solve for x
    x = 46,207,306.02/7,674.81
  6. Step 6: Final answer
    x = 6,020.64

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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.