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Finding the Fourth Proportional to 76,800.02, 115,214.81 and 26,894.30

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Solution

The fourth proportional to 76,800.02, 115,214.81 and 26,894.30 is: 40,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,800.02 : 115,214.81 = 26,894.30 : x
  2. Step 2: Convert to fraction form
    76,800.02/115,214.81 = 26,894.30/x
  3. Step 3: Cross multiply
    76,800.02x = 115,214.81 × 26,894.30
  4. Step 4: Simplify right side
    76,800.02x = 3,098,620,954.04
  5. Step 5: Solve for x
    x = 3,098,620,954.04/76,800.02
  6. Step 6: Final answer
    x = 40,346.62

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1.5x scale

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.