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Finding the Fourth Proportional to 60,407.69, 90,611.60 and 22,958.96

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Solution

The fourth proportional to 60,407.69, 90,611.60 and 22,958.96 is: 34,438.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,407.69 : 90,611.60 = 22,958.96 : x
  2. Step 2: Convert to fraction form
    60,407.69/90,611.60 = 22,958.96/x
  3. Step 3: Cross multiply
    60,407.69x = 90,611.60 × 22,958.96
  4. Step 4: Simplify right side
    60,407.69x = 2,080,347,985.14
  5. Step 5: Solve for x
    x = 2,080,347,985.14/60,407.69
  6. Step 6: Final answer
    x = 34,438.46

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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.