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Finding the Fourth Proportional to 70,455.52, 105,683.46 and 23,741.20

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Solution

The fourth proportional to 70,455.52, 105,683.46 and 23,741.20 is: 35,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,455.52 : 105,683.46 = 23,741.20 : x
  2. Step 2: Convert to fraction form
    70,455.52/105,683.46 = 23,741.20/x
  3. Step 3: Cross multiply
    70,455.52x = 105,683.46 × 23,741.20
  4. Step 4: Simplify right side
    70,455.52x = 2,509,052,160.55
  5. Step 5: Solve for x
    x = 2,509,052,160.55/70,455.52
  6. Step 6: Final answer
    x = 35,611.86

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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.