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Finding the Fourth Proportional to 25,381.32, 35,026.22 and 14,203.32

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Solution

The fourth proportional to 25,381.32, 35,026.22 and 14,203.32 is: 19,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.32 : 35,026.22 = 14,203.32 : x
  2. Step 2: Convert to fraction form
    25,381.32/35,026.22 = 14,203.32/x
  3. Step 3: Cross multiply
    25,381.32x = 35,026.22 × 14,203.32
  4. Step 4: Simplify right side
    25,381.32x = 497,488,611.05
  5. Step 5: Solve for x
    x = 497,488,611.05/25,381.32
  6. Step 6: Final answer
    x = 19,600.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.