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Finding the Fourth Proportional to 7,164.99, 10,747.49 and 2,485.00

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Solution

The fourth proportional to 7,164.99, 10,747.49 and 2,485.00 is: 3,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.99 : 10,747.49 = 2,485.00 : x
  2. Step 2: Convert to fraction form
    7,164.99/10,747.49 = 2,485.00/x
  3. Step 3: Cross multiply
    7,164.99x = 10,747.49 × 2,485.00
  4. Step 4: Simplify right side
    7,164.99x = 26,707,543.89
  5. Step 5: Solve for x
    x = 26,707,543.89/7,164.99
  6. Step 6: Final answer
    x = 3,727.51

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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.