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Finding the Fourth Proportional to 70,369.97, 105,570.74 and 23,621.63

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Solution

The fourth proportional to 70,369.97, 105,570.74 and 23,621.63 is: 35,437.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,369.97 : 105,570.74 = 23,621.63 : x
  2. Step 2: Convert to fraction form
    70,369.97/105,570.74 = 23,621.63/x
  3. Step 3: Cross multiply
    70,369.97x = 105,570.74 × 23,621.63
  4. Step 4: Simplify right side
    70,369.97x = 2,493,752,490.31
  5. Step 5: Solve for x
    x = 2,493,752,490.31/70,369.97
  6. Step 6: Final answer
    x = 35,437.74

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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.