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Finding the Fourth Proportional to 22,885.40, 34,336.20 and 22,075.40

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Solution

The fourth proportional to 22,885.40, 34,336.20 and 22,075.40 is: 33,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,885.40 : 34,336.20 = 22,075.40 : x
  2. Step 2: Convert to fraction form
    22,885.40/34,336.20 = 22,075.40/x
  3. Step 3: Cross multiply
    22,885.40x = 34,336.20 × 22,075.40
  4. Step 4: Simplify right side
    22,885.40x = 757,985,349.48
  5. Step 5: Solve for x
    x = 757,985,349.48/22,885.40
  6. Step 6: Final answer
    x = 33,120.91

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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.