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Finding the Fourth Proportional to 55,053.68, 82,583.65 and 15,607.69

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Solution

The fourth proportional to 55,053.68, 82,583.65 and 15,607.69 is: 23,412.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,053.68 : 82,583.65 = 15,607.69 : x
  2. Step 2: Convert to fraction form
    55,053.68/82,583.65 = 15,607.69/x
  3. Step 3: Cross multiply
    55,053.68x = 82,583.65 × 15,607.69
  4. Step 4: Simplify right side
    55,053.68x = 1,288,939,821.32
  5. Step 5: Solve for x
    x = 1,288,939,821.32/55,053.68
  6. Step 6: Final answer
    x = 23,412.42

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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.