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Finding the Fourth Proportional to 70,869.03, 106,250.74 and 33,407.77

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Solution

The fourth proportional to 70,869.03, 106,250.74 and 33,407.77 is: 50,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.03 : 106,250.74 = 33,407.77 : x
  2. Step 2: Convert to fraction form
    70,869.03/106,250.74 = 33,407.77/x
  3. Step 3: Cross multiply
    70,869.03x = 106,250.74 × 33,407.77
  4. Step 4: Simplify right side
    70,869.03x = 3,549,600,284.25
  5. Step 5: Solve for x
    x = 3,549,600,284.25/70,869.03
  6. Step 6: Final answer
    x = 50,086.76

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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.