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Finding the Fourth Proportional to 55,594.71, 76,721.32 and 30,101.64

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Solution

The fourth proportional to 55,594.71, 76,721.32 and 30,101.64 is: 41,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.71 : 76,721.32 = 30,101.64 : x
  2. Step 2: Convert to fraction form
    55,594.71/76,721.32 = 30,101.64/x
  3. Step 3: Cross multiply
    55,594.71x = 76,721.32 × 30,101.64
  4. Step 4: Simplify right side
    55,594.71x = 2,309,437,304.89
  5. Step 5: Solve for x
    x = 2,309,437,304.89/55,594.71
  6. Step 6: Final answer
    x = 41,540.59

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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.