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Finding the Fourth Proportional to 25,401.25, 35,053.79 and 14,223.25

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Solution

The fourth proportional to 25,401.25, 35,053.79 and 14,223.25 is: 19,628.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.25 : 35,053.79 = 14,223.25 : x
  2. Step 2: Convert to fraction form
    25,401.25/35,053.79 = 14,223.25/x
  3. Step 3: Cross multiply
    25,401.25x = 35,053.79 × 14,223.25
  4. Step 4: Simplify right side
    25,401.25x = 498,578,818.62
  5. Step 5: Solve for x
    x = 498,578,818.62/25,401.25
  6. Step 6: Final answer
    x = 19,628.12

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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.