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Finding the Fourth Proportional to 55,012.73, 82,505.80 and 25,402.10

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Solution

The fourth proportional to 55,012.73, 82,505.80 and 25,402.10 is: 38,097.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.73 : 82,505.80 = 25,402.10 : x
  2. Step 2: Convert to fraction form
    55,012.73/82,505.80 = 25,402.10/x
  3. Step 3: Cross multiply
    55,012.73x = 82,505.80 × 25,402.10
  4. Step 4: Simplify right side
    55,012.73x = 2,095,820,582.18
  5. Step 5: Solve for x
    x = 2,095,820,582.18/55,012.73
  6. Step 6: Final answer
    x = 38,097.01

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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.