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Finding the Fourth Proportional to 43,566.71, 65,356.89 and 18,606.89

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Solution

The fourth proportional to 43,566.71, 65,356.89 and 18,606.89 is: 27,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,566.71 : 65,356.89 = 18,606.89 : x
  2. Step 2: Convert to fraction form
    43,566.71/65,356.89 = 18,606.89/x
  3. Step 3: Cross multiply
    43,566.71x = 65,356.89 × 18,606.89
  4. Step 4: Simplify right side
    43,566.71x = 1,216,088,136.19
  5. Step 5: Solve for x
    x = 1,216,088,136.19/43,566.71
  6. Step 6: Final answer
    x = 27,913.25

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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.