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Finding the Fourth Proportional to 7,613.70, 10,506.22 and 4,256.07

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Solution

The fourth proportional to 7,613.70, 10,506.22 and 4,256.07 is: 5,872.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.70 : 10,506.22 = 4,256.07 : x
  2. Step 2: Convert to fraction form
    7,613.70/10,506.22 = 4,256.07/x
  3. Step 3: Cross multiply
    7,613.70x = 10,506.22 × 4,256.07
  4. Step 4: Simplify right side
    7,613.70x = 44,715,207.76
  5. Step 5: Solve for x
    x = 44,715,207.76/7,613.70
  6. Step 6: Final answer
    x = 5,872.99

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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.