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Finding the Fourth Proportional to 22,825, 31,497.32 and 12,751.40

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Solution

The fourth proportional to 22,825, 31,497.32 and 12,751.40 is: 17,596.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,825 : 31,497.32 = 12,751.40 : x
  2. Step 2: Convert to fraction form
    22,825/31,497.32 = 12,751.40/x
  3. Step 3: Cross multiply
    22,825x = 31,497.32 × 12,751.40
  4. Step 4: Simplify right side
    22,825x = 401,634,926.25
  5. Step 5: Solve for x
    x = 401,634,926.25/22,825
  6. Step 6: Final answer
    x = 17,596.27

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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.