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Finding the Fourth Proportional to 19,073.62, 28,612.33 and 7,068.99

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Solution

The fourth proportional to 19,073.62, 28,612.33 and 7,068.99 is: 10,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.62 : 28,612.33 = 7,068.99 : x
  2. Step 2: Convert to fraction form
    19,073.62/28,612.33 = 7,068.99/x
  3. Step 3: Cross multiply
    19,073.62x = 28,612.33 × 7,068.99
  4. Step 4: Simplify right side
    19,073.62x = 202,260,364.27
  5. Step 5: Solve for x
    x = 202,260,364.27/19,073.62
  6. Step 6: Final answer
    x = 10,604.19

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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.