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Finding the Fourth Proportional to 61,914.17, 85,424.19 and 35,056.08

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Solution

The fourth proportional to 61,914.17, 85,424.19 and 35,056.08 is: 48,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,914.17 : 85,424.19 = 35,056.08 : x
  2. Step 2: Convert to fraction form
    61,914.17/85,424.19 = 35,056.08/x
  3. Step 3: Cross multiply
    61,914.17x = 85,424.19 × 35,056.08
  4. Step 4: Simplify right side
    61,914.17x = 2,994,637,238.58
  5. Step 5: Solve for x
    x = 2,994,637,238.58/61,914.17
  6. Step 6: Final answer
    x = 48,367.56

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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.