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Finding the Fourth Proportional to 10,435.50, 14,401.06 and 6,243.75

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Solution

The fourth proportional to 10,435.50, 14,401.06 and 6,243.75 is: 8,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.50 : 14,401.06 = 6,243.75 : x
  2. Step 2: Convert to fraction form
    10,435.50/14,401.06 = 6,243.75/x
  3. Step 3: Cross multiply
    10,435.50x = 14,401.06 × 6,243.75
  4. Step 4: Simplify right side
    10,435.50x = 89,916,602.77
  5. Step 5: Solve for x
    x = 89,916,602.77/10,435.50
  6. Step 6: Final answer
    x = 8,616.42

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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.