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Finding the Fourth Proportional to 35,693.91, 53,565.08 and 19,065.88

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Solution

The fourth proportional to 35,693.91, 53,565.08 and 19,065.88 is: 28,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.91 : 53,565.08 = 19,065.88 : x
  2. Step 2: Convert to fraction form
    35,693.91/53,565.08 = 19,065.88/x
  3. Step 3: Cross multiply
    35,693.91x = 53,565.08 × 19,065.88
  4. Step 4: Simplify right side
    35,693.91x = 1,021,265,387.47
  5. Step 5: Solve for x
    x = 1,021,265,387.47/35,693.91
  6. Step 6: Final answer
    x = 28,611.75

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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.