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Finding the Fourth Proportional to 70,381.32, 105,573.32 and 22,996.54

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Solution

The fourth proportional to 70,381.32, 105,573.32 and 22,996.54 is: 34,495.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,381.32 : 105,573.32 = 22,996.54 : x
  2. Step 2: Convert to fraction form
    70,381.32/105,573.32 = 22,996.54/x
  3. Step 3: Cross multiply
    70,381.32x = 105,573.32 × 22,996.54
  4. Step 4: Simplify right side
    70,381.32x = 2,427,821,076.31
  5. Step 5: Solve for x
    x = 2,427,821,076.31/70,381.32
  6. Step 6: Final answer
    x = 34,495.25

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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.