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Finding the Fourth Proportional to 25,553.81, 35,264.95 and 14,069.07

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Solution

The fourth proportional to 25,553.81, 35,264.95 and 14,069.07 is: 19,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,553.81 : 35,264.95 = 14,069.07 : x
  2. Step 2: Convert to fraction form
    25,553.81/35,264.95 = 14,069.07/x
  3. Step 3: Cross multiply
    25,553.81x = 35,264.95 × 14,069.07
  4. Step 4: Simplify right side
    25,553.81x = 496,145,143.85
  5. Step 5: Solve for x
    x = 496,145,143.85/25,553.81
  6. Step 6: Final answer
    x = 19,415.70

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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.