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Finding the Fourth Proportional to 37,937.65, 56,940.90 and 19,230.70

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Solution

The fourth proportional to 37,937.65, 56,940.90 and 19,230.70 is: 28,863.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,937.65 : 56,940.90 = 19,230.70 : x
  2. Step 2: Convert to fraction form
    37,937.65/56,940.90 = 19,230.70/x
  3. Step 3: Cross multiply
    37,937.65x = 56,940.90 × 19,230.70
  4. Step 4: Simplify right side
    37,937.65x = 1,095,013,365.63
  5. Step 5: Solve for x
    x = 1,095,013,365.63/37,937.65
  6. Step 6: Final answer
    x = 28,863.50

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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.