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Finding the Fourth Proportional to 49,710.71, 68,615.91 and 29,573.91

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Solution

The fourth proportional to 49,710.71, 68,615.91 and 29,573.91 is: 40,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.71 : 68,615.91 = 29,573.91 : x
  2. Step 2: Convert to fraction form
    49,710.71/68,615.91 = 29,573.91/x
  3. Step 3: Cross multiply
    49,710.71x = 68,615.91 × 29,573.91
  4. Step 4: Simplify right side
    49,710.71x = 2,029,240,746.91
  5. Step 5: Solve for x
    x = 2,029,240,746.91/49,710.71
  6. Step 6: Final answer
    x = 40,821.00

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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.