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Finding the Fourth Proportional to 27,510.40, 37,964.04 and 15,573.63

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Solution

The fourth proportional to 27,510.40, 37,964.04 and 15,573.63 is: 21,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510.40 : 37,964.04 = 15,573.63 : x
  2. Step 2: Convert to fraction form
    27,510.40/37,964.04 = 15,573.63/x
  3. Step 3: Cross multiply
    27,510.40x = 37,964.04 × 15,573.63
  4. Step 4: Simplify right side
    27,510.40x = 591,237,912.27
  5. Step 5: Solve for x
    x = 591,237,912.27/27,510.40
  6. Step 6: Final answer
    x = 21,491.44

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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.