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Finding the Fourth Proportional to 58,722.88, 81,023.52 and 33,566.08

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Solution

The fourth proportional to 58,722.88, 81,023.52 and 33,566.08 is: 46,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.88 : 81,023.52 = 33,566.08 : x
  2. Step 2: Convert to fraction form
    58,722.88/81,023.52 = 33,566.08/x
  3. Step 3: Cross multiply
    58,722.88x = 81,023.52 × 33,566.08
  4. Step 4: Simplify right side
    58,722.88x = 2,719,641,954.20
  5. Step 5: Solve for x
    x = 2,719,641,954.20/58,722.88
  6. Step 6: Final answer
    x = 46,313.16

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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.