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Finding the Fourth Proportional to 35,322.52, 48,742.62 and 19,407.64

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Solution

The fourth proportional to 35,322.52, 48,742.62 and 19,407.64 is: 26,781.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.52 : 48,742.62 = 19,407.64 : x
  2. Step 2: Convert to fraction form
    35,322.52/48,742.62 = 19,407.64/x
  3. Step 3: Cross multiply
    35,322.52x = 48,742.62 × 19,407.64
  4. Step 4: Simplify right side
    35,322.52x = 945,979,221.62
  5. Step 5: Solve for x
    x = 945,979,221.62/35,322.52
  6. Step 6: Final answer
    x = 26,781.19

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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.