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Finding the Fourth Proportional to 52,600.84, 78,854.36 and 19,313.28

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Solution

The fourth proportional to 52,600.84, 78,854.36 and 19,313.28 is: 28,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,600.84 : 78,854.36 = 19,313.28 : x
  2. Step 2: Convert to fraction form
    52,600.84/78,854.36 = 19,313.28/x
  3. Step 3: Cross multiply
    52,600.84x = 78,854.36 × 19,313.28
  4. Step 4: Simplify right side
    52,600.84x = 1,522,936,333.90
  5. Step 5: Solve for x
    x = 1,522,936,333.90/52,600.84
  6. Step 6: Final answer
    x = 28,952.70

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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.