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Finding the Fourth Proportional to 67,574.21, 101,411.81 and 25,495.79

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Solution

The fourth proportional to 67,574.21, 101,411.81 and 25,495.79 is: 38,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,574.21 : 101,411.81 = 25,495.79 : x
  2. Step 2: Convert to fraction form
    67,574.21/101,411.81 = 25,495.79/x
  3. Step 3: Cross multiply
    67,574.21x = 101,411.81 × 25,495.79
  4. Step 4: Simplify right side
    67,574.21x = 2,585,574,432.94
  5. Step 5: Solve for x
    x = 2,585,574,432.94/67,574.21
  6. Step 6: Final answer
    x = 38,262.74

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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.