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Finding the Fourth Proportional to 60,404.79, 83,345.36 and 36,530.95

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Solution

The fourth proportional to 60,404.79, 83,345.36 and 36,530.95 is: 50,404.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,404.79 : 83,345.36 = 36,530.95 : x
  2. Step 2: Convert to fraction form
    60,404.79/83,345.36 = 36,530.95/x
  3. Step 3: Cross multiply
    60,404.79x = 83,345.36 × 36,530.95
  4. Step 4: Simplify right side
    60,404.79x = 3,044,684,944.15
  5. Step 5: Solve for x
    x = 3,044,684,944.15/60,404.79
  6. Step 6: Final answer
    x = 50,404.70

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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.