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Finding the Fourth Proportional to 23,602.70, 35,409.26 and 7,812.65

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Solution

The fourth proportional to 23,602.70, 35,409.26 and 7,812.65 is: 11,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.70 : 35,409.26 = 7,812.65 : x
  2. Step 2: Convert to fraction form
    23,602.70/35,409.26 = 7,812.65/x
  3. Step 3: Cross multiply
    23,602.70x = 35,409.26 × 7,812.65
  4. Step 4: Simplify right side
    23,602.70x = 276,640,155.14
  5. Step 5: Solve for x
    x = 276,640,155.14/23,602.70
  6. Step 6: Final answer
    x = 11,720.70

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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.