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Finding the Fourth Proportional to 62,966.40, 94,230.90 and 43,283.40

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Solution

The fourth proportional to 62,966.40, 94,230.90 and 43,283.40 is: 64,774.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,966.40 : 94,230.90 = 43,283.40 : x
  2. Step 2: Convert to fraction form
    62,966.40/94,230.90 = 43,283.40/x
  3. Step 3: Cross multiply
    62,966.40x = 94,230.90 × 43,283.40
  4. Step 4: Simplify right side
    62,966.40x = 4,078,633,737.06
  5. Step 5: Solve for x
    x = 4,078,633,737.06/62,966.40
  6. Step 6: Final answer
    x = 64,774.76

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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.