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Finding the Fourth Proportional to 61,374.74, 84,705.18 and 45,504.38

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Solution

The fourth proportional to 61,374.74, 84,705.18 and 45,504.38 is: 62,802.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,374.74 : 84,705.18 = 45,504.38 : x
  2. Step 2: Convert to fraction form
    61,374.74/84,705.18 = 45,504.38/x
  3. Step 3: Cross multiply
    61,374.74x = 84,705.18 × 45,504.38
  4. Step 4: Simplify right side
    61,374.74x = 3,854,456,698.69
  5. Step 5: Solve for x
    x = 3,854,456,698.69/61,374.74
  6. Step 6: Final answer
    x = 62,802.00

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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.