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Finding the Fourth Proportional to 25,254.32, 37,886.44 and 7,726.64

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Solution

The fourth proportional to 25,254.32, 37,886.44 and 7,726.64 is: 11,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,254.32 : 37,886.44 = 7,726.64 : x
  2. Step 2: Convert to fraction form
    25,254.32/37,886.44 = 7,726.64/x
  3. Step 3: Cross multiply
    25,254.32x = 37,886.44 × 7,726.64
  4. Step 4: Simplify right side
    25,254.32x = 292,734,882.76
  5. Step 5: Solve for x
    x = 292,734,882.76/25,254.32
  6. Step 6: Final answer
    x = 11,591.48

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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.