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Finding the Fourth Proportional to 7,207.07, 9,946.44 and 4,518.71

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Solution

The fourth proportional to 7,207.07, 9,946.44 and 4,518.71 is: 6,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.07 : 9,946.44 = 4,518.71 : x
  2. Step 2: Convert to fraction form
    7,207.07/9,946.44 = 4,518.71/x
  3. Step 3: Cross multiply
    7,207.07x = 9,946.44 × 4,518.71
  4. Step 4: Simplify right side
    7,207.07x = 44,945,080.72
  5. Step 5: Solve for x
    x = 44,945,080.72/7,207.07
  6. Step 6: Final answer
    x = 6,236.25

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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.