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Finding the Fourth Proportional to 8,653.59, 11,941.11 and 5,068.94

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Solution

The fourth proportional to 8,653.59, 11,941.11 and 5,068.94 is: 6,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653.59 : 11,941.11 = 5,068.94 : x
  2. Step 2: Convert to fraction form
    8,653.59/11,941.11 = 5,068.94/x
  3. Step 3: Cross multiply
    8,653.59x = 11,941.11 × 5,068.94
  4. Step 4: Simplify right side
    8,653.59x = 60,528,710.42
  5. Step 5: Solve for x
    x = 60,528,710.42/8,653.59
  6. Step 6: Final answer
    x = 6,994.64

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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.