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Finding the Fourth Proportional to 8,653.34, 11,941.85 and 5,296.10

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Solution

The fourth proportional to 8,653.34, 11,941.85 and 5,296.10 is: 7,308.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.34 : 11,941.85 = 5,296.10 : x
  2. Step 2: Convert to fraction form
    8,653.34/11,941.85 = 5,296.10/x
  3. Step 3: Cross multiply
    8,653.34x = 11,941.85 × 5,296.10
  4. Step 4: Simplify right side
    8,653.34x = 63,245,172.08
  5. Step 5: Solve for x
    x = 63,245,172.08/8,653.34
  6. Step 6: Final answer
    x = 7,308.76

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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.