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Finding the Fourth Proportional to 70,588.49, 105,882.87 and 49,622.22

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Solution

The fourth proportional to 70,588.49, 105,882.87 and 49,622.22 is: 74,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,588.49 : 105,882.87 = 49,622.22 : x
  2. Step 2: Convert to fraction form
    70,588.49/105,882.87 = 49,622.22/x
  3. Step 3: Cross multiply
    70,588.49x = 105,882.87 × 49,622.22
  4. Step 4: Simplify right side
    70,588.49x = 5,254,143,069.37
  5. Step 5: Solve for x
    x = 5,254,143,069.37/70,588.49
  6. Step 6: Final answer
    x = 74,433.43

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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.