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Finding the Fourth Proportional to 22,482.26, 31,025.09 and 12,411.02

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Solution

The fourth proportional to 22,482.26, 31,025.09 and 12,411.02 is: 17,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,482.26 : 31,025.09 = 12,411.02 : x
  2. Step 2: Convert to fraction form
    22,482.26/31,025.09 = 12,411.02/x
  3. Step 3: Cross multiply
    22,482.26x = 31,025.09 × 12,411.02
  4. Step 4: Simplify right side
    22,482.26x = 385,052,888.39
  5. Step 5: Solve for x
    x = 385,052,888.39/22,482.26
  6. Step 6: Final answer
    x = 17,126.96

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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.