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Finding the Fourth Proportional to 58,695, 88,055.46 and 21,759

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Solution

The fourth proportional to 58,695, 88,055.46 and 21,759 is: 32,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,695 : 88,055.46 = 21,759 : x
  2. Step 2: Convert to fraction form
    58,695/88,055.46 = 21,759/x
  3. Step 3: Cross multiply
    58,695x = 88,055.46 × 21,759
  4. Step 4: Simplify right side
    58,695x = 1,915,998,754.14
  5. Step 5: Solve for x
    x = 1,915,998,754.14/58,695
  6. Step 6: Final answer
    x = 32,643.30

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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.