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Finding the Fourth Proportional to 23,985.71, 35,978.58 and 8,996.25

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Solution

The fourth proportional to 23,985.71, 35,978.58 and 8,996.25 is: 13,494.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.71 : 35,978.58 = 8,996.25 : x
  2. Step 2: Convert to fraction form
    23,985.71/35,978.58 = 8,996.25/x
  3. Step 3: Cross multiply
    23,985.71x = 35,978.58 × 8,996.25
  4. Step 4: Simplify right side
    23,985.71x = 323,672,300.33
  5. Step 5: Solve for x
    x = 323,672,300.33/23,985.71
  6. Step 6: Final answer
    x = 13,494.38

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Similar ratio
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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.