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Finding the Fourth Proportional to 22,700.80, 34,051.20 and 14,827.60

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Solution

The fourth proportional to 22,700.80, 34,051.20 and 14,827.60 is: 22,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.80 : 34,051.20 = 14,827.60 : x
  2. Step 2: Convert to fraction form
    22,700.80/34,051.20 = 14,827.60/x
  3. Step 3: Cross multiply
    22,700.80x = 34,051.20 × 14,827.60
  4. Step 4: Simplify right side
    22,700.80x = 504,897,573.12
  5. Step 5: Solve for x
    x = 504,897,573.12/22,700.80
  6. Step 6: Final answer
    x = 22,241.40

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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.