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Finding the Fourth Proportional to 61,533.61, 84,944.73 and 36,036.43

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Solution

The fourth proportional to 61,533.61, 84,944.73 and 36,036.43 is: 49,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,533.61 : 84,944.73 = 36,036.43 : x
  2. Step 2: Convert to fraction form
    61,533.61/84,944.73 = 36,036.43/x
  3. Step 3: Cross multiply
    61,533.61x = 84,944.73 × 36,036.43
  4. Step 4: Simplify right side
    61,533.61x = 3,061,104,816.51
  5. Step 5: Solve for x
    x = 3,061,104,816.51/61,533.61
  6. Step 6: Final answer
    x = 49,746.88

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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.