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Finding the Fourth Proportional to 48,803, 67,348.20 and 26,447

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Solution

The fourth proportional to 48,803, 67,348.20 and 26,447 is: 36,496.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,803 : 67,348.20 = 26,447 : x
  2. Step 2: Convert to fraction form
    48,803/67,348.20 = 26,447/x
  3. Step 3: Cross multiply
    48,803x = 67,348.20 × 26,447
  4. Step 4: Simplify right side
    48,803x = 1,781,157,845.40
  5. Step 5: Solve for x
    x = 1,781,157,845.40/48,803
  6. Step 6: Final answer
    x = 36,496.89

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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.