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Finding the Fourth Proportional to 37,497.84, 56,227.80 and 12,529.20

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Solution

The fourth proportional to 37,497.84, 56,227.80 and 12,529.20 is: 18,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,497.84 : 56,227.80 = 12,529.20 : x
  2. Step 2: Convert to fraction form
    37,497.84/56,227.80 = 12,529.20/x
  3. Step 3: Cross multiply
    37,497.84x = 56,227.80 × 12,529.20
  4. Step 4: Simplify right side
    37,497.84x = 704,489,351.76
  5. Step 5: Solve for x
    x = 704,489,351.76/37,497.84
  6. Step 6: Final answer
    x = 18,787.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.