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Finding the Fourth Proportional to 35,551.80, 53,360.64 and 25,644.96

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Solution

The fourth proportional to 35,551.80, 53,360.64 and 25,644.96 is: 38,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,551.80 : 53,360.64 = 25,644.96 : x
  2. Step 2: Convert to fraction form
    35,551.80/53,360.64 = 25,644.96/x
  3. Step 3: Cross multiply
    35,551.80x = 53,360.64 × 25,644.96
  4. Step 4: Simplify right side
    35,551.80x = 1,368,431,478.37
  5. Step 5: Solve for x
    x = 1,368,431,478.37/35,551.80
  6. Step 6: Final answer
    x = 38,491.20

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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.