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Finding the Fourth Proportional to 30,292.92, 41,802.98 and 16,863.78

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Solution

The fourth proportional to 30,292.92, 41,802.98 and 16,863.78 is: 23,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.92 : 41,802.98 = 16,863.78 : x
  2. Step 2: Convert to fraction form
    30,292.92/41,802.98 = 16,863.78/x
  3. Step 3: Cross multiply
    30,292.92x = 41,802.98 × 16,863.78
  4. Step 4: Simplify right side
    30,292.92x = 704,956,258.06
  5. Step 5: Solve for x
    x = 704,956,258.06/30,292.92
  6. Step 6: Final answer
    x = 23,271.32

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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.