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Finding the Fourth Proportional to 25,336.79, 34,964.81 and 14,158.79

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Solution

The fourth proportional to 25,336.79, 34,964.81 and 14,158.79 is: 19,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,336.79 : 34,964.81 = 14,158.79 : x
  2. Step 2: Convert to fraction form
    25,336.79/34,964.81 = 14,158.79/x
  3. Step 3: Cross multiply
    25,336.79x = 34,964.81 × 14,158.79
  4. Step 4: Simplify right side
    25,336.79x = 495,059,156.56
  5. Step 5: Solve for x
    x = 495,059,156.56/25,336.79
  6. Step 6: Final answer
    x = 19,539.15

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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.