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Finding the Fourth Proportional to 14,323.45, 19,765.96 and 7,863.08

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Solution

The fourth proportional to 14,323.45, 19,765.96 and 7,863.08 is: 10,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.45 : 19,765.96 = 7,863.08 : x
  2. Step 2: Convert to fraction form
    14,323.45/19,765.96 = 7,863.08/x
  3. Step 3: Cross multiply
    14,323.45x = 19,765.96 × 7,863.08
  4. Step 4: Simplify right side
    14,323.45x = 155,421,400.84
  5. Step 5: Solve for x
    x = 155,421,400.84/14,323.45
  6. Step 6: Final answer
    x = 10,850.84

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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.