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Finding the Fourth Proportional to 10,794.88, 14,898.72 and 6,079.60

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Solution

The fourth proportional to 10,794.88, 14,898.72 and 6,079.60 is: 8,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.88 : 14,898.72 = 6,079.60 : x
  2. Step 2: Convert to fraction form
    10,794.88/14,898.72 = 6,079.60/x
  3. Step 3: Cross multiply
    10,794.88x = 14,898.72 × 6,079.60
  4. Step 4: Simplify right side
    10,794.88x = 90,578,258.11
  5. Step 5: Solve for x
    x = 90,578,258.11/10,794.88
  6. Step 6: Final answer
    x = 8,390.85

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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.