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Finding the Fourth Proportional to 25,443.92, 35,124.84 and 16,017.68

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Solution

The fourth proportional to 25,443.92, 35,124.84 and 16,017.68 is: 22,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.92 : 35,124.84 = 16,017.68 : x
  2. Step 2: Convert to fraction form
    25,443.92/35,124.84 = 16,017.68/x
  3. Step 3: Cross multiply
    25,443.92x = 35,124.84 × 16,017.68
  4. Step 4: Simplify right side
    25,443.92x = 562,618,447.17
  5. Step 5: Solve for x
    x = 562,618,447.17/25,443.92
  6. Step 6: Final answer
    x = 22,112.10

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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.