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Finding the Fourth Proportional to 49,818.44, 74,708.22 and 21,747.08

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Solution

The fourth proportional to 49,818.44, 74,708.22 and 21,747.08 is: 32,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,818.44 : 74,708.22 = 21,747.08 : x
  2. Step 2: Convert to fraction form
    49,818.44/74,708.22 = 21,747.08/x
  3. Step 3: Cross multiply
    49,818.44x = 74,708.22 × 21,747.08
  4. Step 4: Simplify right side
    49,818.44x = 1,624,685,637.00
  5. Step 5: Solve for x
    x = 1,624,685,637.00/49,818.44
  6. Step 6: Final answer
    x = 32,612.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.