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Finding the Fourth Proportional to 60,605.96, 90,784.99 and 49,401.23

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Solution

The fourth proportional to 60,605.96, 90,784.99 and 49,401.23 is: 74,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,605.96 : 90,784.99 = 49,401.23 : x
  2. Step 2: Convert to fraction form
    60,605.96/90,784.99 = 49,401.23/x
  3. Step 3: Cross multiply
    60,605.96x = 90,784.99 × 49,401.23
  4. Step 4: Simplify right side
    60,605.96x = 4,484,890,171.54
  5. Step 5: Solve for x
    x = 4,484,890,171.54/60,605.96
  6. Step 6: Final answer
    x = 74,000.81

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1.5x scale

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.