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Finding the Fourth Proportional to 77,995.73, 117,014.34 and 24,688.73

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Solution

The fourth proportional to 77,995.73, 117,014.34 and 24,688.73 is: 37,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995.73 : 117,014.34 = 24,688.73 : x
  2. Step 2: Convert to fraction form
    77,995.73/117,014.34 = 24,688.73/x
  3. Step 3: Cross multiply
    77,995.73x = 117,014.34 × 24,688.73
  4. Step 4: Simplify right side
    77,995.73x = 2,888,935,446.39
  5. Step 5: Solve for x
    x = 2,888,935,446.39/77,995.73
  6. Step 6: Final answer
    x = 37,039.66

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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.