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Finding the Fourth Proportional to 75,086.76, 103,609.47 and 44,865.69

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Solution

The fourth proportional to 75,086.76, 103,609.47 and 44,865.69 is: 61,908.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.76 : 103,609.47 = 44,865.69 : x
  2. Step 2: Convert to fraction form
    75,086.76/103,609.47 = 44,865.69/x
  3. Step 3: Cross multiply
    75,086.76x = 103,609.47 × 44,865.69
  4. Step 4: Simplify right side
    75,086.76x = 4,648,510,362.08
  5. Step 5: Solve for x
    x = 4,648,510,362.08/75,086.76
  6. Step 6: Final answer
    x = 61,908.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.