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Finding the Fourth Proportional to 35,778.32, 53,667.47 and 11,154.32

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Solution

The fourth proportional to 35,778.32, 53,667.47 and 11,154.32 is: 16,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.32 : 53,667.47 = 11,154.32 : x
  2. Step 2: Convert to fraction form
    35,778.32/53,667.47 = 11,154.32/x
  3. Step 3: Cross multiply
    35,778.32x = 53,667.47 × 11,154.32
  4. Step 4: Simplify right side
    35,778.32x = 598,623,865.63
  5. Step 5: Solve for x
    x = 598,623,865.63/35,778.32
  6. Step 6: Final answer
    x = 16,731.47

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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.