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Finding the Fourth Proportional to 23,258, 32,095.23 and 12,647.45

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Solution

The fourth proportional to 23,258, 32,095.23 and 12,647.45 is: 17,453.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,258 : 32,095.23 = 12,647.45 : x
  2. Step 2: Convert to fraction form
    23,258/32,095.23 = 12,647.45/x
  3. Step 3: Cross multiply
    23,258x = 32,095.23 × 12,647.45
  4. Step 4: Simplify right side
    23,258x = 405,922,816.66
  5. Step 5: Solve for x
    x = 405,922,816.66/23,258
  6. Step 6: Final answer
    x = 17,453.04

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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.