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Finding the Fourth Proportional to 16,590.06, 22,894.29 and 9,138.06

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Solution

The fourth proportional to 16,590.06, 22,894.29 and 9,138.06 is: 12,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,590.06 : 22,894.29 = 9,138.06 : x
  2. Step 2: Convert to fraction form
    16,590.06/22,894.29 = 9,138.06/x
  3. Step 3: Cross multiply
    16,590.06x = 22,894.29 × 9,138.06
  4. Step 4: Simplify right side
    16,590.06x = 209,209,430.07
  5. Step 5: Solve for x
    x = 209,209,430.07/16,590.06
  6. Step 6: Final answer
    x = 12,610.53

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