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Finding the Fourth Proportional to 52,246.06, 78,372.06 and 16,710.50

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Solution

The fourth proportional to 52,246.06, 78,372.06 and 16,710.50 is: 25,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.06 : 78,372.06 = 16,710.50 : x
  2. Step 2: Convert to fraction form
    52,246.06/78,372.06 = 16,710.50/x
  3. Step 3: Cross multiply
    52,246.06x = 78,372.06 × 16,710.50
  4. Step 4: Simplify right side
    52,246.06x = 1,309,636,441.90
  5. Step 5: Solve for x
    x = 1,309,636,441.90/52,246.06
  6. Step 6: Final answer
    x = 25,066.70

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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.