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Finding the Fourth Proportional to 40,672.96, 60,999.60 and 15,697.08

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Solution

The fourth proportional to 40,672.96, 60,999.60 and 15,697.08 is: 23,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,672.96 : 60,999.60 = 15,697.08 : x
  2. Step 2: Convert to fraction form
    40,672.96/60,999.60 = 15,697.08/x
  3. Step 3: Cross multiply
    40,672.96x = 60,999.60 × 15,697.08
  4. Step 4: Simplify right side
    40,672.96x = 957,515,601.17
  5. Step 5: Solve for x
    x = 957,515,601.17/40,672.96
  6. Step 6: Final answer
    x = 23,541.82

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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.