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Finding the Fourth Proportional to 35,565.08, 53,375.09 and 13,398.62

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Solution

The fourth proportional to 35,565.08, 53,375.09 and 13,398.62 is: 20,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,565.08 : 53,375.09 = 13,398.62 : x
  2. Step 2: Convert to fraction form
    35,565.08/53,375.09 = 13,398.62/x
  3. Step 3: Cross multiply
    35,565.08x = 53,375.09 × 13,398.62
  4. Step 4: Simplify right side
    35,565.08x = 715,152,214.51
  5. Step 5: Solve for x
    x = 715,152,214.51/35,565.08
  6. Step 6: Final answer
    x = 20,108.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.