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Finding the Fourth Proportional to 27,487.49, 37,926.43 and 15,548.22

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Solution

The fourth proportional to 27,487.49, 37,926.43 and 15,548.22 is: 21,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,487.49 : 37,926.43 = 15,548.22 : x
  2. Step 2: Convert to fraction form
    27,487.49/37,926.43 = 15,548.22/x
  3. Step 3: Cross multiply
    27,487.49x = 37,926.43 × 15,548.22
  4. Step 4: Simplify right side
    27,487.49x = 589,688,438.58
  5. Step 5: Solve for x
    x = 589,688,438.58/27,487.49
  6. Step 6: Final answer
    x = 21,452.98

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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.