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Finding the Fourth Proportional to 70,633.76, 105,938.98 and 23,249.47

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Solution

The fourth proportional to 70,633.76, 105,938.98 and 23,249.47 is: 34,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,633.76 : 105,938.98 = 23,249.47 : x
  2. Step 2: Convert to fraction form
    70,633.76/105,938.98 = 23,249.47/x
  3. Step 3: Cross multiply
    70,633.76x = 105,938.98 × 23,249.47
  4. Step 4: Simplify right side
    70,633.76x = 2,463,025,137.34
  5. Step 5: Solve for x
    x = 2,463,025,137.34/70,633.76
  6. Step 6: Final answer
    x = 34,870.37

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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.