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Finding the Fourth Proportional to 56,009.70, 84,014.55 and 50,469.30

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Solution

The fourth proportional to 56,009.70, 84,014.55 and 50,469.30 is: 75,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,009.70 : 84,014.55 = 50,469.30 : x
  2. Step 2: Convert to fraction form
    56,009.70/84,014.55 = 50,469.30/x
  3. Step 3: Cross multiply
    56,009.70x = 84,014.55 × 50,469.30
  4. Step 4: Simplify right side
    56,009.70x = 4,240,155,528.32
  5. Step 5: Solve for x
    x = 4,240,155,528.32/56,009.70
  6. Step 6: Final answer
    x = 75,703.95

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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.