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Finding the Fourth Proportional to 56,701.80, 84,966.30 and 53,591.40

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Solution

The fourth proportional to 56,701.80, 84,966.30 and 53,591.40 is: 80,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,701.80 : 84,966.30 = 53,591.40 : x
  2. Step 2: Convert to fraction form
    56,701.80/84,966.30 = 53,591.40/x
  3. Step 3: Cross multiply
    56,701.80x = 84,966.30 × 53,591.40
  4. Step 4: Simplify right side
    56,701.80x = 4,553,462,969.82
  5. Step 5: Solve for x
    x = 4,553,462,969.82/56,701.80
  6. Step 6: Final answer
    x = 80,305.44

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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.