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Finding the Fourth Proportional to 6,571.55, 9,071.99 and 4,055.05

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Solution

The fourth proportional to 6,571.55, 9,071.99 and 4,055.05 is: 5,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.55 : 9,071.99 = 4,055.05 : x
  2. Step 2: Convert to fraction form
    6,571.55/9,071.99 = 4,055.05/x
  3. Step 3: Cross multiply
    6,571.55x = 9,071.99 × 4,055.05
  4. Step 4: Simplify right side
    6,571.55x = 36,787,360.51
  5. Step 5: Solve for x
    x = 36,787,360.51/6,571.55
  6. Step 6: Final answer
    x = 5,597.97

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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.