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Finding the Fourth Proportional to 37,551.80, 51,823.99 and 21,637.28

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Solution

The fourth proportional to 37,551.80, 51,823.99 and 21,637.28 is: 29,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,551.80 : 51,823.99 = 21,637.28 : x
  2. Step 2: Convert to fraction form
    37,551.80/51,823.99 = 21,637.28/x
  3. Step 3: Cross multiply
    37,551.80x = 51,823.99 × 21,637.28
  4. Step 4: Simplify right side
    37,551.80x = 1,121,329,925.73
  5. Step 5: Solve for x
    x = 1,121,329,925.73/37,551.80
  6. Step 6: Final answer
    x = 29,860.88

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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.