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Finding the Fourth Proportional to 71,393.96, 107,100.12 and 23,988.60

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Solution

The fourth proportional to 71,393.96, 107,100.12 and 23,988.60 is: 35,985.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.96 : 107,100.12 = 23,988.60 : x
  2. Step 2: Convert to fraction form
    71,393.96/107,100.12 = 23,988.60/x
  3. Step 3: Cross multiply
    71,393.96x = 107,100.12 × 23,988.60
  4. Step 4: Simplify right side
    71,393.96x = 2,569,181,938.63
  5. Step 5: Solve for x
    x = 2,569,181,938.63/71,393.96
  6. Step 6: Final answer
    x = 35,985.98

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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.