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Finding the Fourth Proportional to 22,305.93, 30,782.19 and 12,369.93

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Solution

The fourth proportional to 22,305.93, 30,782.19 and 12,369.93 is: 17,070.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,305.93 : 30,782.19 = 12,369.93 : x
  2. Step 2: Convert to fraction form
    22,305.93/30,782.19 = 12,369.93/x
  3. Step 3: Cross multiply
    22,305.93x = 30,782.19 × 12,369.93
  4. Step 4: Simplify right side
    22,305.93x = 380,773,535.55
  5. Step 5: Solve for x
    x = 380,773,535.55/22,305.93
  6. Step 6: Final answer
    x = 17,070.51

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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.