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Finding the Fourth Proportional to 70,563.70, 105,880.29 and 33,126.58

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Solution

The fourth proportional to 70,563.70, 105,880.29 and 33,126.58 is: 49,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.70 : 105,880.29 = 33,126.58 : x
  2. Step 2: Convert to fraction form
    70,563.70/105,880.29 = 33,126.58/x
  3. Step 3: Cross multiply
    70,563.70x = 105,880.29 × 33,126.58
  4. Step 4: Simplify right side
    70,563.70x = 3,507,451,897.11
  5. Step 5: Solve for x
    x = 3,507,451,897.11/70,563.70
  6. Step 6: Final answer
    x = 49,706.18

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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.