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Finding the Fourth Proportional to 63,638.00, 87,820.64 and 35,343.68

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Solution

The fourth proportional to 63,638.00, 87,820.64 and 35,343.68 is: 48,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,638.00 : 87,820.64 = 35,343.68 : x
  2. Step 2: Convert to fraction form
    63,638.00/87,820.64 = 35,343.68/x
  3. Step 3: Cross multiply
    63,638.00x = 87,820.64 × 35,343.68
  4. Step 4: Simplify right side
    63,638.00x = 3,103,903,981.73
  5. Step 5: Solve for x
    x = 3,103,903,981.73/63,638.00
  6. Step 6: Final answer
    x = 48,774.38

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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.