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Finding the Fourth Proportional to 59,415.91, 81,986.16 and 35,533.87

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Solution

The fourth proportional to 59,415.91, 81,986.16 and 35,533.87 is: 49,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,415.91 : 81,986.16 = 35,533.87 : x
  2. Step 2: Convert to fraction form
    59,415.91/81,986.16 = 35,533.87/x
  3. Step 3: Cross multiply
    59,415.91x = 81,986.16 × 35,533.87
  4. Step 4: Simplify right side
    59,415.91x = 2,913,285,551.24
  5. Step 5: Solve for x
    x = 2,913,285,551.24/59,415.91
  6. Step 6: Final answer
    x = 49,032.08

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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.