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Finding the Fourth Proportional to 25,419.87, 35,074.44 and 14,088.87

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Solution

The fourth proportional to 25,419.87, 35,074.44 and 14,088.87 is: 19,439.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,419.87 : 35,074.44 = 14,088.87 : x
  2. Step 2: Convert to fraction form
    25,419.87/35,074.44 = 14,088.87/x
  3. Step 3: Cross multiply
    25,419.87x = 35,074.44 × 14,088.87
  4. Step 4: Simplify right side
    25,419.87x = 494,159,225.48
  5. Step 5: Solve for x
    x = 494,159,225.48/25,419.87
  6. Step 6: Final answer
    x = 19,439.88

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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.