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Finding the Fourth Proportional to 47,687.48, 65,809.00 and 29,792.88

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Solution

The fourth proportional to 47,687.48, 65,809.00 and 29,792.88 is: 41,114.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.48 : 65,809.00 = 29,792.88 : x
  2. Step 2: Convert to fraction form
    47,687.48/65,809.00 = 29,792.88/x
  3. Step 3: Cross multiply
    47,687.48x = 65,809.00 × 29,792.88
  4. Step 4: Simplify right side
    47,687.48x = 1,960,639,490.96
  5. Step 5: Solve for x
    x = 1,960,639,490.96/47,687.48
  6. Step 6: Final answer
    x = 41,114.34

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1.5x scale

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.