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Finding the Fourth Proportional to 60,763.01, 91,153.62 and 21,313.17

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Solution

The fourth proportional to 60,763.01, 91,153.62 and 21,313.17 is: 31,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,763.01 : 91,153.62 = 21,313.17 : x
  2. Step 2: Convert to fraction form
    60,763.01/91,153.62 = 21,313.17/x
  3. Step 3: Cross multiply
    60,763.01x = 91,153.62 × 21,313.17
  4. Step 4: Simplify right side
    60,763.01x = 1,942,772,599.18
  5. Step 5: Solve for x
    x = 1,942,772,599.18/60,763.01
  6. Step 6: Final answer
    x = 31,972.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.