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Finding the Fourth Proportional to 16,699.72, 23,045.22 and 9,625.72

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Solution

The fourth proportional to 16,699.72, 23,045.22 and 9,625.72 is: 13,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,699.72 : 23,045.22 = 9,625.72 : x
  2. Step 2: Convert to fraction form
    16,699.72/23,045.22 = 9,625.72/x
  3. Step 3: Cross multiply
    16,699.72x = 23,045.22 × 9,625.72
  4. Step 4: Simplify right side
    16,699.72x = 221,826,835.06
  5. Step 5: Solve for x
    x = 221,826,835.06/16,699.72
  6. Step 6: Final answer
    x = 13,283.27

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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.