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Finding the Fourth Proportional to 53,399.63, 73,680.83 and 29,521.69

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Solution

The fourth proportional to 53,399.63, 73,680.83 and 29,521.69 is: 40,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,399.63 : 73,680.83 = 29,521.69 : x
  2. Step 2: Convert to fraction form
    53,399.63/73,680.83 = 29,521.69/x
  3. Step 3: Cross multiply
    53,399.63x = 73,680.83 × 29,521.69
  4. Step 4: Simplify right side
    53,399.63x = 2,175,182,566.81
  5. Step 5: Solve for x
    x = 2,175,182,566.81/53,399.63
  6. Step 6: Final answer
    x = 40,734.04

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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.