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Finding the Fourth Proportional to 35,076.74, 52,615.04 and 8,781.44

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Solution

The fourth proportional to 35,076.74, 52,615.04 and 8,781.44 is: 13,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,076.74 : 52,615.04 = 8,781.44 : x
  2. Step 2: Convert to fraction form
    35,076.74/52,615.04 = 8,781.44/x
  3. Step 3: Cross multiply
    35,076.74x = 52,615.04 × 8,781.44
  4. Step 4: Simplify right side
    35,076.74x = 462,035,509.88
  5. Step 5: Solve for x
    x = 462,035,509.88/35,076.74
  6. Step 6: Final answer
    x = 13,172.14

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1.5x scale

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.