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Finding the Fourth Proportional to 61,913.22, 85,437.90 and 35,050.38

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Solution

The fourth proportional to 61,913.22, 85,437.90 and 35,050.38 is: 48,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,913.22 : 85,437.90 = 35,050.38 : x
  2. Step 2: Convert to fraction form
    61,913.22/85,437.90 = 35,050.38/x
  3. Step 3: Cross multiply
    61,913.22x = 85,437.90 × 35,050.38
  4. Step 4: Simplify right side
    61,913.22x = 2,994,630,861.40
  5. Step 5: Solve for x
    x = 2,994,630,861.40/61,913.22
  6. Step 6: Final answer
    x = 48,368.20

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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.