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Finding the Fourth Proportional to 63,393.48, 87,483.60 and 35,099.78

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Solution

The fourth proportional to 63,393.48, 87,483.60 and 35,099.78 is: 48,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.48 : 87,483.60 = 35,099.78 : x
  2. Step 2: Convert to fraction form
    63,393.48/87,483.60 = 35,099.78/x
  3. Step 3: Cross multiply
    63,393.48x = 87,483.60 × 35,099.78
  4. Step 4: Simplify right side
    63,393.48x = 3,070,654,676.19
  5. Step 5: Solve for x
    x = 3,070,654,676.19/63,393.48
  6. Step 6: Final answer
    x = 48,438.02

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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.