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Finding the Fourth Proportional to 22,558.40, 33,837.60 and 9,411.20

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Solution

The fourth proportional to 22,558.40, 33,837.60 and 9,411.20 is: 14,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.40 : 33,837.60 = 9,411.20 : x
  2. Step 2: Convert to fraction form
    22,558.40/33,837.60 = 9,411.20/x
  3. Step 3: Cross multiply
    22,558.40x = 33,837.60 × 9,411.20
  4. Step 4: Simplify right side
    22,558.40x = 318,452,421.12
  5. Step 5: Solve for x
    x = 318,452,421.12/22,558.40
  6. Step 6: Final answer
    x = 14,116.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.