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Finding the Fourth Proportional to 7,164.99, 10,745.40 and 3,004.89

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Solution

The fourth proportional to 7,164.99, 10,745.40 and 3,004.89 is: 4,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.99 : 10,745.40 = 3,004.89 : x
  2. Step 2: Convert to fraction form
    7,164.99/10,745.40 = 3,004.89/x
  3. Step 3: Cross multiply
    7,164.99x = 10,745.40 × 3,004.89
  4. Step 4: Simplify right side
    7,164.99x = 32,288,745.01
  5. Step 5: Solve for x
    x = 32,288,745.01/7,164.99
  6. Step 6: Final answer
    x = 4,506.46

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Half scale
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Double scale
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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.