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Finding the Fourth Proportional to 11,305.60, 16,946.70 and 5,068.60

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Solution

The fourth proportional to 11,305.60, 16,946.70 and 5,068.60 is: 7,597.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.60 : 16,946.70 = 5,068.60 : x
  2. Step 2: Convert to fraction form
    11,305.60/16,946.70 = 5,068.60/x
  3. Step 3: Cross multiply
    11,305.60x = 16,946.70 × 5,068.60
  4. Step 4: Simplify right side
    11,305.60x = 85,896,043.62
  5. Step 5: Solve for x
    x = 85,896,043.62/11,305.60
  6. Step 6: Final answer
    x = 7,597.65

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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.