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Finding the Fourth Proportional to 28,527.71, 42,794.01 and 7,467.66

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Solution

The fourth proportional to 28,527.71, 42,794.01 and 7,467.66 is: 11,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.71 : 42,794.01 = 7,467.66 : x
  2. Step 2: Convert to fraction form
    28,527.71/42,794.01 = 7,467.66/x
  3. Step 3: Cross multiply
    28,527.71x = 42,794.01 × 7,467.66
  4. Step 4: Simplify right side
    28,527.71x = 319,571,116.72
  5. Step 5: Solve for x
    x = 319,571,116.72/28,527.71
  6. Step 6: Final answer
    x = 11,202.13

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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.