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Finding the Fourth Proportional to 43,507.36, 65,269.04 and 18,547.36

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Solution

The fourth proportional to 43,507.36, 65,269.04 and 18,547.36 is: 27,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507.36 : 65,269.04 = 18,547.36 : x
  2. Step 2: Convert to fraction form
    43,507.36/65,269.04 = 18,547.36/x
  3. Step 3: Cross multiply
    43,507.36x = 65,269.04 × 18,547.36
  4. Step 4: Simplify right side
    43,507.36x = 1,210,568,381.73
  5. Step 5: Solve for x
    x = 1,210,568,381.73/43,507.36
  6. Step 6: Final answer
    x = 27,824.45

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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.