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Finding the Fourth Proportional to 8,653.93, 11,941.41 and 5,298.71

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Solution

The fourth proportional to 8,653.93, 11,941.41 and 5,298.71 is: 7,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.93 : 11,941.41 = 5,298.71 : x
  2. Step 2: Convert to fraction form
    8,653.93/11,941.41 = 5,298.71/x
  3. Step 3: Cross multiply
    8,653.93x = 11,941.41 × 5,298.71
  4. Step 4: Simplify right side
    8,653.93x = 63,274,008.87
  5. Step 5: Solve for x
    x = 63,274,008.87/8,653.93
  6. Step 6: Final answer
    x = 7,311.59

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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.