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Finding the Fourth Proportional to 25,303.88, 34,919.30 and 14,125.88

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Solution

The fourth proportional to 25,303.88, 34,919.30 and 14,125.88 is: 19,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,303.88 : 34,919.30 = 14,125.88 : x
  2. Step 2: Convert to fraction form
    25,303.88/34,919.30 = 14,125.88/x
  3. Step 3: Cross multiply
    25,303.88x = 34,919.30 × 14,125.88
  4. Step 4: Simplify right side
    25,303.88x = 493,265,841.48
  5. Step 5: Solve for x
    x = 493,265,841.48/25,303.88
  6. Step 6: Final answer
    x = 19,493.68

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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.