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Finding the Fourth Proportional to 37,910.70, 56,880.71 and 15,718.38

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Solution

The fourth proportional to 37,910.70, 56,880.71 and 15,718.38 is: 23,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910.70 : 56,880.71 = 15,718.38 : x
  2. Step 2: Convert to fraction form
    37,910.70/56,880.71 = 15,718.38/x
  3. Step 3: Cross multiply
    37,910.70x = 56,880.71 × 15,718.38
  4. Step 4: Simplify right side
    37,910.70x = 894,072,614.45
  5. Step 5: Solve for x
    x = 894,072,614.45/37,910.70
  6. Step 6: Final answer
    x = 23,583.65

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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.