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Finding the Fourth Proportional to 10,312.10, 14,230.74 and 5,596.39

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Solution

The fourth proportional to 10,312.10, 14,230.74 and 5,596.39 is: 7,723.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.10 : 14,230.74 = 5,596.39 : x
  2. Step 2: Convert to fraction form
    10,312.10/14,230.74 = 5,596.39/x
  3. Step 3: Cross multiply
    10,312.10x = 14,230.74 × 5,596.39
  4. Step 4: Simplify right side
    10,312.10x = 79,640,735.45
  5. Step 5: Solve for x
    x = 79,640,735.45/10,312.10
  6. Step 6: Final answer
    x = 7,723.04

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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.