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Finding the Fourth Proportional to 35,403.52, 53,116.16 and 19,832.16

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Solution

The fourth proportional to 35,403.52, 53,116.16 and 19,832.16 is: 29,754.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.52 : 53,116.16 = 19,832.16 : x
  2. Step 2: Convert to fraction form
    35,403.52/53,116.16 = 19,832.16/x
  3. Step 3: Cross multiply
    35,403.52x = 53,116.16 × 19,832.16
  4. Step 4: Simplify right side
    35,403.52x = 1,053,408,183.71
  5. Step 5: Solve for x
    x = 1,053,408,183.71/35,403.52
  6. Step 6: Final answer
    x = 29,754.33

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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.