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Finding the Fourth Proportional to 61,063.83, 84,220.70 and 40,914.27

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Solution

The fourth proportional to 61,063.83, 84,220.70 and 40,914.27 is: 56,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,063.83 : 84,220.70 = 40,914.27 : x
  2. Step 2: Convert to fraction form
    61,063.83/84,220.70 = 40,914.27/x
  3. Step 3: Cross multiply
    61,063.83x = 84,220.70 × 40,914.27
  4. Step 4: Simplify right side
    61,063.83x = 3,445,828,254.82
  5. Step 5: Solve for x
    x = 3,445,828,254.82/61,063.83
  6. Step 6: Final answer
    x = 56,429.94

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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.