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Finding the Fourth Proportional to 36,462.52, 54,672.90 and 21,681.76

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Solution

The fourth proportional to 36,462.52, 54,672.90 and 21,681.76 is: 32,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,462.52 : 54,672.90 = 21,681.76 : x
  2. Step 2: Convert to fraction form
    36,462.52/54,672.90 = 21,681.76/x
  3. Step 3: Cross multiply
    36,462.52x = 54,672.90 × 21,681.76
  4. Step 4: Simplify right side
    36,462.52x = 1,185,404,696.30
  5. Step 5: Solve for x
    x = 1,185,404,696.30/36,462.52
  6. Step 6: Final answer
    x = 32,510.22

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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.