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Finding the Fourth Proportional to 63,700.83, 87,907.59 and 35,020.98

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Solution

The fourth proportional to 63,700.83, 87,907.59 and 35,020.98 is: 48,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,700.83 : 87,907.59 = 35,020.98 : x
  2. Step 2: Convert to fraction form
    63,700.83/87,907.59 = 35,020.98/x
  3. Step 3: Cross multiply
    63,700.83x = 87,907.59 × 35,020.98
  4. Step 4: Simplify right side
    63,700.83x = 3,078,609,951.24
  5. Step 5: Solve for x
    x = 3,078,609,951.24/63,700.83
  6. Step 6: Final answer
    x = 48,329.20

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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.