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Finding the Fourth Proportional to 63,697.16, 87,903.20 and 35,018.03

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Solution

The fourth proportional to 63,697.16, 87,903.20 and 35,018.03 is: 48,325.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,697.16 : 87,903.20 = 35,018.03 : x
  2. Step 2: Convert to fraction form
    63,697.16/87,903.20 = 35,018.03/x
  3. Step 3: Cross multiply
    63,697.16x = 87,903.20 × 35,018.03
  4. Step 4: Simplify right side
    63,697.16x = 3,078,196,280.09
  5. Step 5: Solve for x
    x = 3,078,196,280.09/63,697.16
  6. Step 6: Final answer
    x = 48,325.49

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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.