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Finding the Fourth Proportional to 69,683.01, 96,202.45 and 45,878.88

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Solution

The fourth proportional to 69,683.01, 96,202.45 and 45,878.88 is: 63,339.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,683.01 : 96,202.45 = 45,878.88 : x
  2. Step 2: Convert to fraction form
    69,683.01/96,202.45 = 45,878.88/x
  3. Step 3: Cross multiply
    69,683.01x = 96,202.45 × 45,878.88
  4. Step 4: Simplify right side
    69,683.01x = 4,413,660,063.55
  5. Step 5: Solve for x
    x = 4,413,660,063.55/69,683.01
  6. Step 6: Final answer
    x = 63,339.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.