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Finding the Fourth Proportional to 22,368.48, 30,865.84 and 12,295.27

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Solution

The fourth proportional to 22,368.48, 30,865.84 and 12,295.27 is: 16,966.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.48 : 30,865.84 = 12,295.27 : x
  2. Step 2: Convert to fraction form
    22,368.48/30,865.84 = 12,295.27/x
  3. Step 3: Cross multiply
    22,368.48x = 30,865.84 × 12,295.27
  4. Step 4: Simplify right side
    22,368.48x = 379,503,836.58
  5. Step 5: Solve for x
    x = 379,503,836.58/22,368.48
  6. Step 6: Final answer
    x = 16,966.01

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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.