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Finding the Fourth Proportional to 25,338.88, 37,995.60 and 7,804.48

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Solution

The fourth proportional to 25,338.88, 37,995.60 and 7,804.48 is: 11,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.88 : 37,995.60 = 7,804.48 : x
  2. Step 2: Convert to fraction form
    25,338.88/37,995.60 = 7,804.48/x
  3. Step 3: Cross multiply
    25,338.88x = 37,995.60 × 7,804.48
  4. Step 4: Simplify right side
    25,338.88x = 296,535,900.29
  5. Step 5: Solve for x
    x = 296,535,900.29/25,338.88
  6. Step 6: Final answer
    x = 11,702.80

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1.5x scale

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.