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Finding the Fourth Proportional to 17,317.78, 23,898.48 and 9,359.98

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Solution

The fourth proportional to 17,317.78, 23,898.48 and 9,359.98 is: 12,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,317.78 : 23,898.48 = 9,359.98 : x
  2. Step 2: Convert to fraction form
    17,317.78/23,898.48 = 9,359.98/x
  3. Step 3: Cross multiply
    17,317.78x = 23,898.48 × 9,359.98
  4. Step 4: Simplify right side
    17,317.78x = 223,689,294.83
  5. Step 5: Solve for x
    x = 223,689,294.83/17,317.78
  6. Step 6: Final answer
    x = 12,916.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.