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Finding the Fourth Proportional to 70,346.88, 105,468.48 and 35,259.84

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Solution

The fourth proportional to 70,346.88, 105,468.48 and 35,259.84 is: 52,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.88 : 105,468.48 = 35,259.84 : x
  2. Step 2: Convert to fraction form
    70,346.88/105,468.48 = 35,259.84/x
  3. Step 3: Cross multiply
    70,346.88x = 105,468.48 × 35,259.84
  4. Step 4: Simplify right side
    70,346.88x = 3,718,801,729.84
  5. Step 5: Solve for x
    x = 3,718,801,729.84/70,346.88
  6. Step 6: Final answer
    x = 52,863.78

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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.