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Finding the Fourth Proportional to 55,994.70, 77,269.77 and 34,773.51

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Solution

The fourth proportional to 55,994.70, 77,269.77 and 34,773.51 is: 47,985.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,994.70 : 77,269.77 = 34,773.51 : x
  2. Step 2: Convert to fraction form
    55,994.70/77,269.77 = 34,773.51/x
  3. Step 3: Cross multiply
    55,994.70x = 77,269.77 × 34,773.51
  4. Step 4: Simplify right side
    55,994.70x = 2,686,941,119.79
  5. Step 5: Solve for x
    x = 2,686,941,119.79/55,994.70
  6. Step 6: Final answer
    x = 47,985.63

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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.