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Finding the Fourth Proportional to 70,568.49, 105,809.67 and 29,994.24

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Solution

The fourth proportional to 70,568.49, 105,809.67 and 29,994.24 is: 44,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,568.49 : 105,809.67 = 29,994.24 : x
  2. Step 2: Convert to fraction form
    70,568.49/105,809.67 = 29,994.24/x
  3. Step 3: Cross multiply
    70,568.49x = 105,809.67 × 29,994.24
  4. Step 4: Simplify right side
    70,568.49x = 3,173,680,636.30
  5. Step 5: Solve for x
    x = 3,173,680,636.30/70,568.49
  6. Step 6: Final answer
    x = 44,973.06

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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.