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Finding the Fourth Proportional to 70,340.43, 105,511.77 and 22,955.34

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Solution

The fourth proportional to 70,340.43, 105,511.77 and 22,955.34 is: 34,433.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,340.43 : 105,511.77 = 22,955.34 : x
  2. Step 2: Convert to fraction form
    70,340.43/105,511.77 = 22,955.34/x
  3. Step 3: Cross multiply
    70,340.43x = 105,511.77 × 22,955.34
  4. Step 4: Simplify right side
    70,340.43x = 2,422,058,554.35
  5. Step 5: Solve for x
    x = 2,422,058,554.35/70,340.43
  6. Step 6: Final answer
    x = 34,433.38

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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.