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Finding the Fourth Proportional to 35,672.60, 53,493.78 and 19,029.08

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Solution

The fourth proportional to 35,672.60, 53,493.78 and 19,029.08 is: 28,535.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,672.60 : 53,493.78 = 19,029.08 : x
  2. Step 2: Convert to fraction form
    35,672.60/53,493.78 = 19,029.08/x
  3. Step 3: Cross multiply
    35,672.60x = 53,493.78 × 19,029.08
  4. Step 4: Simplify right side
    35,672.60x = 1,017,937,419.12
  5. Step 5: Solve for x
    x = 1,017,937,419.12/35,672.60
  6. Step 6: Final answer
    x = 28,535.55

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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.