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Finding the Fourth Proportional to 67,621.46, 93,315.93 and 37,408.46

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Solution

The fourth proportional to 67,621.46, 93,315.93 and 37,408.46 is: 51,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,621.46 : 93,315.93 = 37,408.46 : x
  2. Step 2: Convert to fraction form
    67,621.46/93,315.93 = 37,408.46/x
  3. Step 3: Cross multiply
    67,621.46x = 93,315.93 × 37,408.46
  4. Step 4: Simplify right side
    67,621.46x = 3,490,805,234.77
  5. Step 5: Solve for x
    x = 3,490,805,234.77/67,621.46
  6. Step 6: Final answer
    x = 51,622.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.