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Finding the Fourth Proportional to 58,722.63, 81,023.18 and 33,565.83

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Solution

The fourth proportional to 58,722.63, 81,023.18 and 33,565.83 is: 46,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722.63 : 81,023.18 = 33,565.83 : x
  2. Step 2: Convert to fraction form
    58,722.63/81,023.18 = 33,565.83/x
  3. Step 3: Cross multiply
    58,722.63x = 81,023.18 × 33,565.83
  4. Step 4: Simplify right side
    58,722.63x = 2,719,610,118.11
  5. Step 5: Solve for x
    x = 2,719,610,118.11/58,722.63
  6. Step 6: Final answer
    x = 46,312.81

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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.