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Finding the Fourth Proportional to 61,881.96, 85,382.46 and 35,024.48

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Solution

The fourth proportional to 61,881.96, 85,382.46 and 35,024.48 is: 48,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.96 : 85,382.46 = 35,024.48 : x
  2. Step 2: Convert to fraction form
    61,881.96/85,382.46 = 35,024.48/x
  3. Step 3: Cross multiply
    61,881.96x = 85,382.46 × 35,024.48
  4. Step 4: Simplify right side
    61,881.96x = 2,990,475,835.71
  5. Step 5: Solve for x
    x = 2,990,475,835.71/61,881.96
  6. Step 6: Final answer
    x = 48,325.49

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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.