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Finding the Fourth Proportional to 53,398.63, 73,683.84 and 29,523.88

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Solution

The fourth proportional to 53,398.63, 73,683.84 and 29,523.88 is: 40,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,398.63 : 73,683.84 = 29,523.88 : x
  2. Step 2: Convert to fraction form
    53,398.63/73,683.84 = 29,523.88/x
  3. Step 3: Cross multiply
    53,398.63x = 73,683.84 × 29,523.88
  4. Step 4: Simplify right side
    53,398.63x = 2,175,432,850.10
  5. Step 5: Solve for x
    x = 2,175,432,850.10/53,398.63
  6. Step 6: Final answer
    x = 40,739.49

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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.