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Finding the Fourth Proportional to 70,019.94, 105,043.58 and 22,646.80

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Solution

The fourth proportional to 70,019.94, 105,043.58 and 22,646.80 is: 33,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,019.94 : 105,043.58 = 22,646.80 : x
  2. Step 2: Convert to fraction form
    70,019.94/105,043.58 = 22,646.80/x
  3. Step 3: Cross multiply
    70,019.94x = 105,043.58 × 22,646.80
  4. Step 4: Simplify right side
    70,019.94x = 2,378,900,947.54
  5. Step 5: Solve for x
    x = 2,378,900,947.54/70,019.94
  6. Step 6: Final answer
    x = 33,974.62

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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.