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Finding the Fourth Proportional to 8,794.60, 12,137.92 and 5,017.76

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Solution

The fourth proportional to 8,794.60, 12,137.92 and 5,017.76 is: 6,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.60 : 12,137.92 = 5,017.76 : x
  2. Step 2: Convert to fraction form
    8,794.60/12,137.92 = 5,017.76/x
  3. Step 3: Cross multiply
    8,794.60x = 12,137.92 × 5,017.76
  4. Step 4: Simplify right side
    8,794.60x = 60,905,169.46
  5. Step 5: Solve for x
    x = 60,905,169.46/8,794.60
  6. Step 6: Final answer
    x = 6,925.29

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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.