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Finding the Fourth Proportional to 8,699.94, 13,043.52 and 5,583.45

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Solution

The fourth proportional to 8,699.94, 13,043.52 and 5,583.45 is: 8,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.94 : 13,043.52 = 5,583.45 : x
  2. Step 2: Convert to fraction form
    8,699.94/13,043.52 = 5,583.45/x
  3. Step 3: Cross multiply
    8,699.94x = 13,043.52 × 5,583.45
  4. Step 4: Simplify right side
    8,699.94x = 72,827,841.74
  5. Step 5: Solve for x
    x = 72,827,841.74/8,699.94
  6. Step 6: Final answer
    x = 8,371.07

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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.