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Finding the Fourth Proportional to 7,658.01, 11,485.68 and 2,110.02

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Solution

The fourth proportional to 7,658.01, 11,485.68 and 2,110.02 is: 3,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658.01 : 11,485.68 = 2,110.02 : x
  2. Step 2: Convert to fraction form
    7,658.01/11,485.68 = 2,110.02/x
  3. Step 3: Cross multiply
    7,658.01x = 11,485.68 × 2,110.02
  4. Step 4: Simplify right side
    7,658.01x = 24,235,014.51
  5. Step 5: Solve for x
    x = 24,235,014.51/7,658.01
  6. Step 6: Final answer
    x = 3,164.66

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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.