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Finding the Fourth Proportional to 32,708.50, 45,143.62 and 19,278.97

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Solution

The fourth proportional to 32,708.50, 45,143.62 and 19,278.97 is: 26,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,708.50 : 45,143.62 = 19,278.97 : x
  2. Step 2: Convert to fraction form
    32,708.50/45,143.62 = 19,278.97/x
  3. Step 3: Cross multiply
    32,708.50x = 45,143.62 × 19,278.97
  4. Step 4: Simplify right side
    32,708.50x = 870,322,334.61
  5. Step 5: Solve for x
    x = 870,322,334.61/32,708.50
  6. Step 6: Final answer
    x = 26,608.45

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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.