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Finding the Fourth Proportional to 70,023.96, 105,049.58 and 22,650.78

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Solution

The fourth proportional to 70,023.96, 105,049.58 and 22,650.78 is: 33,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,023.96 : 105,049.58 = 22,650.78 : x
  2. Step 2: Convert to fraction form
    70,023.96/105,049.58 = 22,650.78/x
  3. Step 3: Cross multiply
    70,023.96x = 105,049.58 × 22,650.78
  4. Step 4: Simplify right side
    70,023.96x = 2,379,454,925.67
  5. Step 5: Solve for x
    x = 2,379,454,925.67/70,023.96
  6. Step 6: Final answer
    x = 33,980.58

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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.