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Finding the Fourth Proportional to 48,664, 67,156.38 and 26,308

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Solution

The fourth proportional to 48,664, 67,156.38 and 26,308 is: 36,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664 : 67,156.38 = 26,308 : x
  2. Step 2: Convert to fraction form
    48,664/67,156.38 = 26,308/x
  3. Step 3: Cross multiply
    48,664x = 67,156.38 × 26,308
  4. Step 4: Simplify right side
    48,664x = 1,766,750,045.04
  5. Step 5: Solve for x
    x = 1,766,750,045.04/48,664
  6. Step 6: Final answer
    x = 36,305.07

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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.