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Finding the Fourth Proportional to 70,105.96, 105,180.54 and 24,518.28

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Solution

The fourth proportional to 70,105.96, 105,180.54 and 24,518.28 is: 36,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,105.96 : 105,180.54 = 24,518.28 : x
  2. Step 2: Convert to fraction form
    70,105.96/105,180.54 = 24,518.28/x
  3. Step 3: Cross multiply
    70,105.96x = 105,180.54 × 24,518.28
  4. Step 4: Simplify right side
    70,105.96x = 2,578,845,930.27
  5. Step 5: Solve for x
    x = 2,578,845,930.27/70,105.96
  6. Step 6: Final answer
    x = 36,784.97

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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.