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Finding the Fourth Proportional to 8,744.94, 12,071.16 and 5,208.08

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Solution

The fourth proportional to 8,744.94, 12,071.16 and 5,208.08 is: 7,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.94 : 12,071.16 = 5,208.08 : x
  2. Step 2: Convert to fraction form
    8,744.94/12,071.16 = 5,208.08/x
  3. Step 3: Cross multiply
    8,744.94x = 12,071.16 × 5,208.08
  4. Step 4: Simplify right side
    8,744.94x = 62,867,480.58
  5. Step 5: Solve for x
    x = 62,867,480.58/8,744.94
  6. Step 6: Final answer
    x = 7,189.01

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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.