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Finding the Fourth Proportional to 60,606.59, 90,785.93 and 49,401.86

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Solution

The fourth proportional to 60,606.59, 90,785.93 and 49,401.86 is: 74,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.59 : 90,785.93 = 49,401.86 : x
  2. Step 2: Convert to fraction form
    60,606.59/90,785.93 = 49,401.86/x
  3. Step 3: Cross multiply
    60,606.59x = 90,785.93 × 49,401.86
  4. Step 4: Simplify right side
    60,606.59x = 4,484,993,102.89
  5. Step 5: Solve for x
    x = 4,484,993,102.89/60,606.59
  6. Step 6: Final answer
    x = 74,001.75

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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.