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Finding the Fourth Proportional to 67,062.84, 92,512 and 45,553.68

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Solution

The fourth proportional to 67,062.84, 92,512 and 45,553.68 is: 62,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,062.84 : 92,512 = 45,553.68 : x
  2. Step 2: Convert to fraction form
    67,062.84/92,512 = 45,553.68/x
  3. Step 3: Cross multiply
    67,062.84x = 92,512 × 45,553.68
  4. Step 4: Simplify right side
    67,062.84x = 4,214,262,044.16
  5. Step 5: Solve for x
    x = 4,214,262,044.16/67,062.84
  6. Step 6: Final answer
    x = 62,840.49

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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.