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Finding the Fourth Proportional to 7,684.51, 10,604.76 and 4,540.70

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Solution

The fourth proportional to 7,684.51, 10,604.76 and 4,540.70 is: 6,266.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.51 : 10,604.76 = 4,540.70 : x
  2. Step 2: Convert to fraction form
    7,684.51/10,604.76 = 4,540.70/x
  3. Step 3: Cross multiply
    7,684.51x = 10,604.76 × 4,540.70
  4. Step 4: Simplify right side
    7,684.51x = 48,153,033.73
  5. Step 5: Solve for x
    x = 48,153,033.73/7,684.51
  6. Step 6: Final answer
    x = 6,266.25

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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.