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Finding the Fourth Proportional to 25,055.76, 34,583.16 and 14,451.76

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Solution

The fourth proportional to 25,055.76, 34,583.16 and 14,451.76 is: 19,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,055.76 : 34,583.16 = 14,451.76 : x
  2. Step 2: Convert to fraction form
    25,055.76/34,583.16 = 14,451.76/x
  3. Step 3: Cross multiply
    25,055.76x = 34,583.16 × 14,451.76
  4. Step 4: Simplify right side
    25,055.76x = 499,787,528.36
  5. Step 5: Solve for x
    x = 499,787,528.36/25,055.76
  6. Step 6: Final answer
    x = 19,947.01

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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.