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Finding the Fourth Proportional to 25,448.32, 38,156.80 and 8,804.48

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Solution

The fourth proportional to 25,448.32, 38,156.80 and 8,804.48 is: 13,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.32 : 38,156.80 = 8,804.48 : x
  2. Step 2: Convert to fraction form
    25,448.32/38,156.80 = 8,804.48/x
  3. Step 3: Cross multiply
    25,448.32x = 38,156.80 × 8,804.48
  4. Step 4: Simplify right side
    25,448.32x = 335,950,782.46
  5. Step 5: Solve for x
    x = 335,950,782.46/25,448.32
  6. Step 6: Final answer
    x = 13,201.30

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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.