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Finding the Fourth Proportional to 56,892.22, 78,510.54 and 32,692.89

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Solution

The fourth proportional to 56,892.22, 78,510.54 and 32,692.89 is: 45,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,892.22 : 78,510.54 = 32,692.89 : x
  2. Step 2: Convert to fraction form
    56,892.22/78,510.54 = 32,692.89/x
  3. Step 3: Cross multiply
    56,892.22x = 78,510.54 × 32,692.89
  4. Step 4: Simplify right side
    56,892.22x = 2,566,736,448.06
  5. Step 5: Solve for x
    x = 2,566,736,448.06/56,892.22
  6. Step 6: Final answer
    x = 45,115.77

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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.