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Finding the Fourth Proportional to 70,342.43, 105,514.77 and 22,957.34

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Solution

The fourth proportional to 70,342.43, 105,514.77 and 22,957.34 is: 34,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.43 : 105,514.77 = 22,957.34 : x
  2. Step 2: Convert to fraction form
    70,342.43/105,514.77 = 22,957.34/x
  3. Step 3: Cross multiply
    70,342.43x = 105,514.77 × 22,957.34
  4. Step 4: Simplify right side
    70,342.43x = 2,422,338,449.91
  5. Step 5: Solve for x
    x = 2,422,338,449.91/70,342.43
  6. Step 6: Final answer
    x = 34,436.38

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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.