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Finding the Fourth Proportional to 54,892.77, 82,358.91 and 21,594.39

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Solution

The fourth proportional to 54,892.77, 82,358.91 and 21,594.39 is: 32,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,892.77 : 82,358.91 = 21,594.39 : x
  2. Step 2: Convert to fraction form
    54,892.77/82,358.91 = 21,594.39/x
  3. Step 3: Cross multiply
    54,892.77x = 82,358.91 × 21,594.39
  4. Step 4: Simplify right side
    54,892.77x = 1,778,490,422.51
  5. Step 5: Solve for x
    x = 1,778,490,422.51/54,892.77
  6. Step 6: Final answer
    x = 32,399.36

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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.