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Finding the Fourth Proportional to 48,894.90, 67,472.64 and 30,028.38

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Solution

The fourth proportional to 48,894.90, 67,472.64 and 30,028.38 is: 41,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,894.90 : 67,472.64 = 30,028.38 : x
  2. Step 2: Convert to fraction form
    48,894.90/67,472.64 = 30,028.38/x
  3. Step 3: Cross multiply
    48,894.90x = 67,472.64 × 30,028.38
  4. Step 4: Simplify right side
    48,894.90x = 2,026,094,073.52
  5. Step 5: Solve for x
    x = 2,026,094,073.52/48,894.90
  6. Step 6: Final answer
    x = 41,437.74

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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.