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Finding the Fourth Proportional to 22,368.92, 30,867.53 and 12,297.11

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Solution

The fourth proportional to 22,368.92, 30,867.53 and 12,297.11 is: 16,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,368.92 : 30,867.53 = 12,297.11 : x
  2. Step 2: Convert to fraction form
    22,368.92/30,867.53 = 12,297.11/x
  3. Step 3: Cross multiply
    22,368.92x = 30,867.53 × 12,297.11
  4. Step 4: Simplify right side
    22,368.92x = 379,581,196.02
  5. Step 5: Solve for x
    x = 379,581,196.02/22,368.92
  6. Step 6: Final answer
    x = 16,969.14

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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.