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Finding the Fourth Proportional to 61,459.83, 84,814.53 and 35,971.05

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Solution

The fourth proportional to 61,459.83, 84,814.53 and 35,971.05 is: 49,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,459.83 : 84,814.53 = 35,971.05 : x
  2. Step 2: Convert to fraction form
    61,459.83/84,814.53 = 35,971.05/x
  3. Step 3: Cross multiply
    61,459.83x = 84,814.53 × 35,971.05
  4. Step 4: Simplify right side
    61,459.83x = 3,050,867,607.77
  5. Step 5: Solve for x
    x = 3,050,867,607.77/61,459.83
  6. Step 6: Final answer
    x = 49,640.03

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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.