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Finding the Fourth Proportional to 15,313.79, 22,965.83 and 4,923.11

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Solution

The fourth proportional to 15,313.79, 22,965.83 and 4,923.11 is: 7,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.79 : 22,965.83 = 4,923.11 : x
  2. Step 2: Convert to fraction form
    15,313.79/22,965.83 = 4,923.11/x
  3. Step 3: Cross multiply
    15,313.79x = 22,965.83 × 4,923.11
  4. Step 4: Simplify right side
    15,313.79x = 113,063,282.72
  5. Step 5: Solve for x
    x = 113,063,282.72/15,313.79
  6. Step 6: Final answer
    x = 7,383.10

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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.