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Finding the Fourth Proportional to 75,737.58, 104,559.66 and 45,530.16

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Solution

The fourth proportional to 75,737.58, 104,559.66 and 45,530.16 is: 62,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,737.58 : 104,559.66 = 45,530.16 : x
  2. Step 2: Convert to fraction form
    75,737.58/104,559.66 = 45,530.16/x
  3. Step 3: Cross multiply
    75,737.58x = 104,559.66 × 45,530.16
  4. Step 4: Simplify right side
    75,737.58x = 4,760,618,049.35
  5. Step 5: Solve for x
    x = 4,760,618,049.35/75,737.58
  6. Step 6: Final answer
    x = 62,856.75

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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.