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Finding the Fourth Proportional to 61,750.54, 85,214.63 and 34,892.47

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Solution

The fourth proportional to 61,750.54, 85,214.63 and 34,892.47 is: 48,150.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,750.54 : 85,214.63 = 34,892.47 : x
  2. Step 2: Convert to fraction form
    61,750.54/85,214.63 = 34,892.47/x
  3. Step 3: Cross multiply
    61,750.54x = 85,214.63 × 34,892.47
  4. Step 4: Simplify right side
    61,750.54x = 2,973,349,114.59
  5. Step 5: Solve for x
    x = 2,973,349,114.59/61,750.54
  6. Step 6: Final answer
    x = 48,150.98

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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.