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Finding the Fourth Proportional to 48,301, 66,632.70 and 34,161.64

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Solution

The fourth proportional to 48,301, 66,632.70 and 34,161.64 is: 47,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,301 : 66,632.70 = 34,161.64 : x
  2. Step 2: Convert to fraction form
    48,301/66,632.70 = 34,161.64/x
  3. Step 3: Cross multiply
    48,301x = 66,632.70 × 34,161.64
  4. Step 4: Simplify right side
    48,301x = 2,276,282,309.63
  5. Step 5: Solve for x
    x = 2,276,282,309.63/48,301
  6. Step 6: Final answer
    x = 47,127.02

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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.