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Finding the Fourth Proportional to 4,007.48, 6,007.05 and 1,668.74

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Solution

The fourth proportional to 4,007.48, 6,007.05 and 1,668.74 is: 2,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.48 : 6,007.05 = 1,668.74 : x
  2. Step 2: Convert to fraction form
    4,007.48/6,007.05 = 1,668.74/x
  3. Step 3: Cross multiply
    4,007.48x = 6,007.05 × 1,668.74
  4. Step 4: Simplify right side
    4,007.48x = 10,024,204.62
  5. Step 5: Solve for x
    x = 10,024,204.62/4,007.48
  6. Step 6: Final answer
    x = 2,501.37

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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.