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Finding the Fourth Proportional to 17,225.45, 25,838.17 and 4,746.79

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Solution

The fourth proportional to 17,225.45, 25,838.17 and 4,746.79 is: 7,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,225.45 : 25,838.17 = 4,746.79 : x
  2. Step 2: Convert to fraction form
    17,225.45/25,838.17 = 4,746.79/x
  3. Step 3: Cross multiply
    17,225.45x = 25,838.17 × 4,746.79
  4. Step 4: Simplify right side
    17,225.45x = 122,648,366.97
  5. Step 5: Solve for x
    x = 122,648,366.97/17,225.45
  6. Step 6: Final answer
    x = 7,120.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.