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Finding the Fourth Proportional to 56,358.96, 84,539.99 and 16,916.08

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Solution

The fourth proportional to 56,358.96, 84,539.99 and 16,916.08 is: 25,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.96 : 84,539.99 = 16,916.08 : x
  2. Step 2: Convert to fraction form
    56,358.96/84,539.99 = 16,916.08/x
  3. Step 3: Cross multiply
    56,358.96x = 84,539.99 × 16,916.08
  4. Step 4: Simplify right side
    56,358.96x = 1,430,085,234.04
  5. Step 5: Solve for x
    x = 1,430,085,234.04/56,358.96
  6. Step 6: Final answer
    x = 25,374.59

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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.