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Finding the Fourth Proportional to 25,302.88, 34,917.92 and 14,124.88

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Solution

The fourth proportional to 25,302.88, 34,917.92 and 14,124.88 is: 19,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.88 : 34,917.92 = 14,124.88 : x
  2. Step 2: Convert to fraction form
    25,302.88/34,917.92 = 14,124.88/x
  3. Step 3: Cross multiply
    25,302.88x = 34,917.92 × 14,124.88
  4. Step 4: Simplify right side
    25,302.88x = 493,211,429.85
  5. Step 5: Solve for x
    x = 493,211,429.85/25,302.88
  6. Step 6: Final answer
    x = 19,492.30

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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.