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Finding the Fourth Proportional to 59,416.64, 81,989.52 and 34,261.28

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Solution

The fourth proportional to 59,416.64, 81,989.52 and 34,261.28 is: 47,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,416.64 : 81,989.52 = 34,261.28 : x
  2. Step 2: Convert to fraction form
    59,416.64/81,989.52 = 34,261.28/x
  3. Step 3: Cross multiply
    59,416.64x = 81,989.52 × 34,261.28
  4. Step 4: Simplify right side
    59,416.64x = 2,809,065,901.79
  5. Step 5: Solve for x
    x = 2,809,065,901.79/59,416.64
  6. Step 6: Final answer
    x = 47,277.43

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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.