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Finding the Fourth Proportional to 53,347.68, 73,621.44 and 29,475.90

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Solution

The fourth proportional to 53,347.68, 73,621.44 and 29,475.90 is: 40,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,347.68 : 73,621.44 = 29,475.90 : x
  2. Step 2: Convert to fraction form
    53,347.68/73,621.44 = 29,475.90/x
  3. Step 3: Cross multiply
    53,347.68x = 73,621.44 × 29,475.90
  4. Step 4: Simplify right side
    53,347.68x = 2,170,058,203.30
  5. Step 5: Solve for x
    x = 2,170,058,203.30/53,347.68
  6. Step 6: Final answer
    x = 40,677.65

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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.