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Finding the Fourth Proportional to 25,000.70, 34,500.96 and 14,392.40

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Solution

The fourth proportional to 25,000.70, 34,500.96 and 14,392.40 is: 19,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,000.70 : 34,500.96 = 14,392.40 : x
  2. Step 2: Convert to fraction form
    25,000.70/34,500.96 = 14,392.40/x
  3. Step 3: Cross multiply
    25,000.70x = 34,500.96 × 14,392.40
  4. Step 4: Simplify right side
    25,000.70x = 496,551,616.70
  5. Step 5: Solve for x
    x = 496,551,616.70/25,000.70
  6. Step 6: Final answer
    x = 19,861.51

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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.