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Finding the Fourth Proportional to 27,510.65, 37,964.39 and 15,573.88

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Solution

The fourth proportional to 27,510.65, 37,964.39 and 15,573.88 is: 21,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,510.65 : 37,964.39 = 15,573.88 : x
  2. Step 2: Convert to fraction form
    27,510.65/37,964.39 = 15,573.88/x
  3. Step 3: Cross multiply
    27,510.65x = 37,964.39 × 15,573.88
  4. Step 4: Simplify right side
    27,510.65x = 591,252,776.26
  5. Step 5: Solve for x
    x = 591,252,776.26/27,510.65
  6. Step 6: Final answer
    x = 21,491.78

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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.