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Finding the Fourth Proportional to 22,962.40, 34,445.04 and 7,381.60

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Solution

The fourth proportional to 22,962.40, 34,445.04 and 7,381.60 is: 11,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,962.40 : 34,445.04 = 7,381.60 : x
  2. Step 2: Convert to fraction form
    22,962.40/34,445.04 = 7,381.60/x
  3. Step 3: Cross multiply
    22,962.40x = 34,445.04 × 7,381.60
  4. Step 4: Simplify right side
    22,962.40x = 254,259,507.26
  5. Step 5: Solve for x
    x = 254,259,507.26/22,962.40
  6. Step 6: Final answer
    x = 11,072.86

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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.