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Finding the Fourth Proportional to 58,690.77, 88,026.76 and 18,704.56

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Solution

The fourth proportional to 58,690.77, 88,026.76 and 18,704.56 is: 28,053.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690.77 : 88,026.76 = 18,704.56 : x
  2. Step 2: Convert to fraction form
    58,690.77/88,026.76 = 18,704.56/x
  3. Step 3: Cross multiply
    58,690.77x = 88,026.76 × 18,704.56
  4. Step 4: Simplify right side
    58,690.77x = 1,646,501,280.37
  5. Step 5: Solve for x
    x = 1,646,501,280.37/58,690.77
  6. Step 6: Final answer
    x = 28,053.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.