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Finding the Fourth Proportional to 60,212.51, 90,374.80 and 30,652.47

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Solution

The fourth proportional to 60,212.51, 90,374.80 and 30,652.47 is: 46,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,212.51 : 90,374.80 = 30,652.47 : x
  2. Step 2: Convert to fraction form
    60,212.51/90,374.80 = 30,652.47/x
  3. Step 3: Cross multiply
    60,212.51x = 90,374.80 × 30,652.47
  4. Step 4: Simplify right side
    60,212.51x = 2,770,210,769.12
  5. Step 5: Solve for x
    x = 2,770,210,769.12/60,212.51
  6. Step 6: Final answer
    x = 46,007.23

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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.