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Finding the Fourth Proportional to 6,527.42, 9,007.74 and 3,543.23

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Solution

The fourth proportional to 6,527.42, 9,007.74 and 3,543.23 is: 4,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.42 : 9,007.74 = 3,543.23 : x
  2. Step 2: Convert to fraction form
    6,527.42/9,007.74 = 3,543.23/x
  3. Step 3: Cross multiply
    6,527.42x = 9,007.74 × 3,543.23
  4. Step 4: Simplify right side
    6,527.42x = 31,916,517.12
  5. Step 5: Solve for x
    x = 31,916,517.12/6,527.42
  6. Step 6: Final answer
    x = 4,889.61

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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.