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Finding the Fourth Proportional to 28,173.99, 42,260.99 and 22,902.72

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Solution

The fourth proportional to 28,173.99, 42,260.99 and 22,902.72 is: 34,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173.99 : 42,260.99 = 22,902.72 : x
  2. Step 2: Convert to fraction form
    28,173.99/42,260.99 = 22,902.72/x
  3. Step 3: Cross multiply
    28,173.99x = 42,260.99 × 22,902.72
  4. Step 4: Simplify right side
    28,173.99x = 967,891,506.38
  5. Step 5: Solve for x
    x = 967,891,506.38/28,173.99
  6. Step 6: Final answer
    x = 34,354.08

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Similar ratio
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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.