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Finding the Fourth Proportional to 70,879.04, 106,225.76 and 35,799.68

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Solution

The fourth proportional to 70,879.04, 106,225.76 and 35,799.68 is: 53,652.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,879.04 : 106,225.76 = 35,799.68 : x
  2. Step 2: Convert to fraction form
    70,879.04/106,225.76 = 35,799.68/x
  3. Step 3: Cross multiply
    70,879.04x = 106,225.76 × 35,799.68
  4. Step 4: Simplify right side
    70,879.04x = 3,802,848,215.76
  5. Step 5: Solve for x
    x = 3,802,848,215.76/70,879.04
  6. Step 6: Final answer
    x = 53,652.65

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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.