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Finding the Fourth Proportional to 70,617.76, 105,957.42 and 26,234.62

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Solution

The fourth proportional to 70,617.76, 105,957.42 and 26,234.62 is: 39,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,617.76 : 105,957.42 = 26,234.62 : x
  2. Step 2: Convert to fraction form
    70,617.76/105,957.42 = 26,234.62/x
  3. Step 3: Cross multiply
    70,617.76x = 105,957.42 × 26,234.62
  4. Step 4: Simplify right side
    70,617.76x = 2,779,752,649.88
  5. Step 5: Solve for x
    x = 2,779,752,649.88/70,617.76
  6. Step 6: Final answer
    x = 39,363.36

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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.