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Finding the Fourth Proportional to 25,192.70, 34,765.95 and 14,014.70

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Solution

The fourth proportional to 25,192.70, 34,765.95 and 14,014.70 is: 19,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,192.70 : 34,765.95 = 14,014.70 : x
  2. Step 2: Convert to fraction form
    25,192.70/34,765.95 = 14,014.70/x
  3. Step 3: Cross multiply
    25,192.70x = 34,765.95 × 14,014.70
  4. Step 4: Simplify right side
    25,192.70x = 487,234,185.64
  5. Step 5: Solve for x
    x = 487,234,185.64/25,192.70
  6. Step 6: Final answer
    x = 19,340.30

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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.