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Finding the Fourth Proportional to 61,896.96, 85,417.56 and 35,041.32

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Solution

The fourth proportional to 61,896.96, 85,417.56 and 35,041.32 is: 48,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.96 : 85,417.56 = 35,041.32 : x
  2. Step 2: Convert to fraction form
    61,896.96/85,417.56 = 35,041.32/x
  3. Step 3: Cross multiply
    61,896.96x = 85,417.56 × 35,041.32
  4. Step 4: Simplify right side
    61,896.96x = 2,993,144,053.58
  5. Step 5: Solve for x
    x = 2,993,144,053.58/61,896.96
  6. Step 6: Final answer
    x = 48,356.88

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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.