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Finding the Fourth Proportional to 56,107.84, 77,337.84 and 52,958.56

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Solution

The fourth proportional to 56,107.84, 77,337.84 and 52,958.56 is: 72,996.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,107.84 : 77,337.84 = 52,958.56 : x
  2. Step 2: Convert to fraction form
    56,107.84/77,337.84 = 52,958.56/x
  3. Step 3: Cross multiply
    56,107.84x = 77,337.84 × 52,958.56
  4. Step 4: Simplify right side
    56,107.84x = 4,095,700,639.91
  5. Step 5: Solve for x
    x = 4,095,700,639.91/56,107.84
  6. Step 6: Final answer
    x = 72,996.94

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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.