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Finding the Fourth Proportional to 64,898.80, 89,544.71 and 44,749.24

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Solution

The fourth proportional to 64,898.80, 89,544.71 and 44,749.24 is: 61,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,898.80 : 89,544.71 = 44,749.24 : x
  2. Step 2: Convert to fraction form
    64,898.80/89,544.71 = 44,749.24/x
  3. Step 3: Cross multiply
    64,898.80x = 89,544.71 × 44,749.24
  4. Step 4: Simplify right side
    64,898.80x = 4,007,057,718.52
  5. Step 5: Solve for x
    x = 4,007,057,718.52/64,898.80
  6. Step 6: Final answer
    x = 61,743.17

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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.