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Finding the Fourth Proportional to 70,609.59, 105,863.10 and 33,150.39

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Solution

The fourth proportional to 70,609.59, 105,863.10 and 33,150.39 is: 49,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,609.59 : 105,863.10 = 33,150.39 : x
  2. Step 2: Convert to fraction form
    70,609.59/105,863.10 = 33,150.39/x
  3. Step 3: Cross multiply
    70,609.59x = 105,863.10 × 33,150.39
  4. Step 4: Simplify right side
    70,609.59x = 3,509,403,051.61
  5. Step 5: Solve for x
    x = 3,509,403,051.61/70,609.59
  6. Step 6: Final answer
    x = 49,701.51

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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.