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Finding the Fourth Proportional to 69,684.76, 104,455.62 and 27,547.72

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Solution

The fourth proportional to 69,684.76, 104,455.62 and 27,547.72 is: 41,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,684.76 : 104,455.62 = 27,547.72 : x
  2. Step 2: Convert to fraction form
    69,684.76/104,455.62 = 27,547.72/x
  3. Step 3: Cross multiply
    69,684.76x = 104,455.62 × 27,547.72
  4. Step 4: Simplify right side
    69,684.76x = 2,877,514,172.19
  5. Step 5: Solve for x
    x = 2,877,514,172.19/69,684.76
  6. Step 6: Final answer
    x = 41,293.31

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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.