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Finding the Fourth Proportional to 61,963.80, 92,880.72 and 30,330.24

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Solution

The fourth proportional to 61,963.80, 92,880.72 and 30,330.24 is: 45,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.80 : 92,880.72 = 30,330.24 : x
  2. Step 2: Convert to fraction form
    61,963.80/92,880.72 = 30,330.24/x
  3. Step 3: Cross multiply
    61,963.80x = 92,880.72 × 30,330.24
  4. Step 4: Simplify right side
    61,963.80x = 2,817,094,528.97
  5. Step 5: Solve for x
    x = 2,817,094,528.97/61,963.80
  6. Step 6: Final answer
    x = 45,463.55

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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.