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Finding the Fourth Proportional to 56,363.96, 84,547.49 and 16,921.08

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Solution

The fourth proportional to 56,363.96, 84,547.49 and 16,921.08 is: 25,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,363.96 : 84,547.49 = 16,921.08 : x
  2. Step 2: Convert to fraction form
    56,363.96/84,547.49 = 16,921.08/x
  3. Step 3: Cross multiply
    56,363.96x = 84,547.49 × 16,921.08
  4. Step 4: Simplify right side
    56,363.96x = 1,430,634,757.48
  5. Step 5: Solve for x
    x = 1,430,634,757.48/56,363.96
  6. Step 6: Final answer
    x = 25,382.09

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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.