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Finding the Fourth Proportional to 16,797.60, 25,197.60 and 5,110.76

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Solution

The fourth proportional to 16,797.60, 25,197.60 and 5,110.76 is: 7,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,797.60 : 25,197.60 = 5,110.76 : x
  2. Step 2: Convert to fraction form
    16,797.60/25,197.60 = 5,110.76/x
  3. Step 3: Cross multiply
    16,797.60x = 25,197.60 × 5,110.76
  4. Step 4: Simplify right side
    16,797.60x = 128,778,886.18
  5. Step 5: Solve for x
    x = 128,778,886.18/16,797.60
  6. Step 6: Final answer
    x = 7,666.51

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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.