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Finding the Fourth Proportional to 10,200.36, 15,302.14 and 4,357

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Solution

The fourth proportional to 10,200.36, 15,302.14 and 4,357 is: 6,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.36 : 15,302.14 = 4,357 : x
  2. Step 2: Convert to fraction form
    10,200.36/15,302.14 = 4,357/x
  3. Step 3: Cross multiply
    10,200.36x = 15,302.14 × 4,357
  4. Step 4: Simplify right side
    10,200.36x = 66,671,423.98
  5. Step 5: Solve for x
    x = 66,671,423.98/10,200.36
  6. Step 6: Final answer
    x = 6,536.18

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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.