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Finding the Fourth Proportional to 14,199.88, 21,302.94 and 4,341.64

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Solution

The fourth proportional to 14,199.88, 21,302.94 and 4,341.64 is: 6,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.88 : 21,302.94 = 4,341.64 : x
  2. Step 2: Convert to fraction form
    14,199.88/21,302.94 = 4,341.64/x
  3. Step 3: Cross multiply
    14,199.88x = 21,302.94 × 4,341.64
  4. Step 4: Simplify right side
    14,199.88x = 92,489,696.42
  5. Step 5: Solve for x
    x = 92,489,696.42/14,199.88
  6. Step 6: Final answer
    x = 6,513.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.