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Finding the Fourth Proportional to 12,723.78, 19,070.01 and 6,063.78

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Solution

The fourth proportional to 12,723.78, 19,070.01 and 6,063.78 is: 9,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.78 : 19,070.01 = 6,063.78 : x
  2. Step 2: Convert to fraction form
    12,723.78/19,070.01 = 6,063.78/x
  3. Step 3: Cross multiply
    12,723.78x = 19,070.01 × 6,063.78
  4. Step 4: Simplify right side
    12,723.78x = 115,636,345.24
  5. Step 5: Solve for x
    x = 115,636,345.24/12,723.78
  6. Step 6: Final answer
    x = 9,088.21

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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.