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Finding the Fourth Proportional to 4,777.01, 6,580.50 and 4,066.56

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Solution

The fourth proportional to 4,777.01, 6,580.50 and 4,066.56 is: 5,601.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.01 : 6,580.50 = 4,066.56 : x
  2. Step 2: Convert to fraction form
    4,777.01/6,580.50 = 4,066.56/x
  3. Step 3: Cross multiply
    4,777.01x = 6,580.50 × 4,066.56
  4. Step 4: Simplify right side
    4,777.01x = 26,759,998.08
  5. Step 5: Solve for x
    x = 26,759,998.08/4,777.01
  6. Step 6: Final answer
    x = 5,601.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.