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Finding the Fourth Proportional to 37,687.54, 56,532.51 and 18,957.34

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Solution

The fourth proportional to 37,687.54, 56,532.51 and 18,957.34 is: 28,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,687.54 : 56,532.51 = 18,957.34 : x
  2. Step 2: Convert to fraction form
    37,687.54/56,532.51 = 18,957.34/x
  3. Step 3: Cross multiply
    37,687.54x = 56,532.51 × 18,957.34
  4. Step 4: Simplify right side
    37,687.54x = 1,071,706,013.12
  5. Step 5: Solve for x
    x = 1,071,706,013.12/37,687.54
  6. Step 6: Final answer
    x = 28,436.61

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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.