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Finding the Fourth Proportional to 58,409.66, 80,603.40 and 36,910.89

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Solution

The fourth proportional to 58,409.66, 80,603.40 and 36,910.89 is: 50,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,409.66 : 80,603.40 = 36,910.89 : x
  2. Step 2: Convert to fraction form
    58,409.66/80,603.40 = 36,910.89/x
  3. Step 3: Cross multiply
    58,409.66x = 80,603.40 × 36,910.89
  4. Step 4: Simplify right side
    58,409.66x = 2,975,143,369.44
  5. Step 5: Solve for x
    x = 2,975,143,369.44/58,409.66
  6. Step 6: Final answer
    x = 50,935.81

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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.