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Finding the Fourth Proportional to 7,059.62, 10,590.51 and 2,128.62

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Solution

The fourth proportional to 7,059.62, 10,590.51 and 2,128.62 is: 3,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,059.62 : 10,590.51 = 2,128.62 : x
  2. Step 2: Convert to fraction form
    7,059.62/10,590.51 = 2,128.62/x
  3. Step 3: Cross multiply
    7,059.62x = 10,590.51 × 2,128.62
  4. Step 4: Simplify right side
    7,059.62x = 22,543,171.40
  5. Step 5: Solve for x
    x = 22,543,171.40/7,059.62
  6. Step 6: Final answer
    x = 3,193.26

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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.