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Finding the Fourth Proportional to 58,935.88, 88,400.94 and 21,997

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Solution

The fourth proportional to 58,935.88, 88,400.94 and 21,997 is: 32,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,935.88 : 88,400.94 = 21,997 : x
  2. Step 2: Convert to fraction form
    58,935.88/88,400.94 = 21,997/x
  3. Step 3: Cross multiply
    58,935.88x = 88,400.94 × 21,997
  4. Step 4: Simplify right side
    58,935.88x = 1,944,555,477.18
  5. Step 5: Solve for x
    x = 1,944,555,477.18/58,935.88
  6. Step 6: Final answer
    x = 32,994.43

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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.