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Finding the Fourth Proportional to 60,365.25, 90,552.87 and 18,812.25

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Solution

The fourth proportional to 60,365.25, 90,552.87 and 18,812.25 is: 28,219.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,365.25 : 90,552.87 = 18,812.25 : x
  2. Step 2: Convert to fraction form
    60,365.25/90,552.87 = 18,812.25/x
  3. Step 3: Cross multiply
    60,365.25x = 90,552.87 × 18,812.25
  4. Step 4: Simplify right side
    60,365.25x = 1,703,503,228.66
  5. Step 5: Solve for x
    x = 1,703,503,228.66/60,365.25
  6. Step 6: Final answer
    x = 28,219.93

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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.