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Finding the Fourth Proportional to 23,490.54, 35,235.78 and 5,721.19

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Solution

The fourth proportional to 23,490.54, 35,235.78 and 5,721.19 is: 8,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.54 : 35,235.78 = 5,721.19 : x
  2. Step 2: Convert to fraction form
    23,490.54/35,235.78 = 5,721.19/x
  3. Step 3: Cross multiply
    23,490.54x = 35,235.78 × 5,721.19
  4. Step 4: Simplify right side
    23,490.54x = 201,590,416.00
  5. Step 5: Solve for x
    x = 201,590,416.00/23,490.54
  6. Step 6: Final answer
    x = 8,581.77

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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.