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Finding the Fourth Proportional to 16,503.99, 22,775.11 and 9,429.96

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Solution

The fourth proportional to 16,503.99, 22,775.11 and 9,429.96 is: 13,013.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,503.99 : 22,775.11 = 9,429.96 : x
  2. Step 2: Convert to fraction form
    16,503.99/22,775.11 = 9,429.96/x
  3. Step 3: Cross multiply
    16,503.99x = 22,775.11 × 9,429.96
  4. Step 4: Simplify right side
    16,503.99x = 214,768,413.86
  5. Step 5: Solve for x
    x = 214,768,413.86/16,503.99
  6. Step 6: Final answer
    x = 13,013.12

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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.