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Finding the Fourth Proportional to 58,764.83, 88,160.54 and 19,322.28

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Solution

The fourth proportional to 58,764.83, 88,160.54 and 19,322.28 is: 28,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,764.83 : 88,160.54 = 19,322.28 : x
  2. Step 2: Convert to fraction form
    58,764.83/88,160.54 = 19,322.28/x
  3. Step 3: Cross multiply
    58,764.83x = 88,160.54 × 19,322.28
  4. Step 4: Simplify right side
    58,764.83x = 1,703,462,542.22
  5. Step 5: Solve for x
    x = 1,703,462,542.22/58,764.83
  6. Step 6: Final answer
    x = 28,987.79

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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.