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Finding the Fourth Proportional to 63,715.10, 87,919.13 and 35,030.03

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Solution

The fourth proportional to 63,715.10, 87,919.13 and 35,030.03 is: 48,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,715.10 : 87,919.13 = 35,030.03 : x
  2. Step 2: Convert to fraction form
    63,715.10/87,919.13 = 35,030.03/x
  3. Step 3: Cross multiply
    63,715.10x = 87,919.13 × 35,030.03
  4. Step 4: Simplify right side
    63,715.10x = 3,079,809,146.73
  5. Step 5: Solve for x
    x = 3,079,809,146.73/63,715.10
  6. Step 6: Final answer
    x = 48,337.20

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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.