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Finding the Fourth Proportional to 55,594.56, 76,721.43 and 30,442.44

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Solution

The fourth proportional to 55,594.56, 76,721.43 and 30,442.44 is: 42,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,594.56 : 76,721.43 = 30,442.44 : x
  2. Step 2: Convert to fraction form
    55,594.56/76,721.43 = 30,442.44/x
  3. Step 3: Cross multiply
    55,594.56x = 76,721.43 × 30,442.44
  4. Step 4: Simplify right side
    55,594.56x = 2,335,587,529.49
  5. Step 5: Solve for x
    x = 2,335,587,529.49/55,594.56
  6. Step 6: Final answer
    x = 42,011.08

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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.