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Finding the Fourth Proportional to 27,306.66, 37,681.11 and 15,367.74

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Solution

The fourth proportional to 27,306.66, 37,681.11 and 15,367.74 is: 21,206.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.66 : 37,681.11 = 15,367.74 : x
  2. Step 2: Convert to fraction form
    27,306.66/37,681.11 = 15,367.74/x
  3. Step 3: Cross multiply
    27,306.66x = 37,681.11 × 15,367.74
  4. Step 4: Simplify right side
    27,306.66x = 579,073,501.39
  5. Step 5: Solve for x
    x = 579,073,501.39/27,306.66
  6. Step 6: Final answer
    x = 21,206.31

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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.