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Finding the Fourth Proportional to 60,871.84, 84,003.56 and 34,015.48

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Solution

The fourth proportional to 60,871.84, 84,003.56 and 34,015.48 is: 46,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,871.84 : 84,003.56 = 34,015.48 : x
  2. Step 2: Convert to fraction form
    60,871.84/84,003.56 = 34,015.48/x
  3. Step 3: Cross multiply
    60,871.84x = 84,003.56 × 34,015.48
  4. Step 4: Simplify right side
    60,871.84x = 2,857,421,415.11
  5. Step 5: Solve for x
    x = 2,857,421,415.11/60,871.84
  6. Step 6: Final answer
    x = 46,941.60

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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.