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Finding the Fourth Proportional to 37,718.70, 56,578.05 and 15,524.70

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Solution

The fourth proportional to 37,718.70, 56,578.05 and 15,524.70 is: 23,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.70 : 56,578.05 = 15,524.70 : x
  2. Step 2: Convert to fraction form
    37,718.70/56,578.05 = 15,524.70/x
  3. Step 3: Cross multiply
    37,718.70x = 56,578.05 × 15,524.70
  4. Step 4: Simplify right side
    37,718.70x = 878,357,252.84
  5. Step 5: Solve for x
    x = 878,357,252.84/37,718.70
  6. Step 6: Final answer
    x = 23,287.05

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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.