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Finding the Fourth Proportional to 25,375.96, 38,027.53 and 14,259.27

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Solution

The fourth proportional to 25,375.96, 38,027.53 and 14,259.27 is: 21,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.96 : 38,027.53 = 14,259.27 : x
  2. Step 2: Convert to fraction form
    25,375.96/38,027.53 = 14,259.27/x
  3. Step 3: Cross multiply
    25,375.96x = 38,027.53 × 14,259.27
  4. Step 4: Simplify right side
    25,375.96x = 542,245,018.23
  5. Step 5: Solve for x
    x = 542,245,018.23/25,375.96
  6. Step 6: Final answer
    x = 21,368.45

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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.