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Finding the Fourth Proportional to 15,313.72, 22,972.74 and 4,923.04

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Solution

The fourth proportional to 15,313.72, 22,972.74 and 4,923.04 is: 7,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313.72 : 22,972.74 = 4,923.04 : x
  2. Step 2: Convert to fraction form
    15,313.72/22,972.74 = 4,923.04/x
  3. Step 3: Cross multiply
    15,313.72x = 22,972.74 × 4,923.04
  4. Step 4: Simplify right side
    15,313.72x = 113,095,717.93
  5. Step 5: Solve for x
    x = 113,095,717.93/15,313.72
  6. Step 6: Final answer
    x = 7,385.25

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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.