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Finding the Fourth Proportional to 67,443.84, 93,077.52 and 39,153.84

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Solution

The fourth proportional to 67,443.84, 93,077.52 and 39,153.84 is: 54,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,443.84 : 93,077.52 = 39,153.84 : x
  2. Step 2: Convert to fraction form
    67,443.84/93,077.52 = 39,153.84/x
  3. Step 3: Cross multiply
    67,443.84x = 93,077.52 × 39,153.84
  4. Step 4: Simplify right side
    67,443.84x = 3,644,342,325.68
  5. Step 5: Solve for x
    x = 3,644,342,325.68/67,443.84
  6. Step 6: Final answer
    x = 54,035.21

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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.