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Finding the Fourth Proportional to 10,152, 15,230.24 and 4,313.60

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Solution

The fourth proportional to 10,152, 15,230.24 and 4,313.60 is: 6,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152 : 15,230.24 = 4,313.60 : x
  2. Step 2: Convert to fraction form
    10,152/15,230.24 = 4,313.60/x
  3. Step 3: Cross multiply
    10,152x = 15,230.24 × 4,313.60
  4. Step 4: Simplify right side
    10,152x = 65,697,163.26
  5. Step 5: Solve for x
    x = 65,697,163.26/10,152
  6. Step 6: Final answer
    x = 6,471.35

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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.