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Finding the Fourth Proportional to 28,792, 43,192.32 and 10,328.32

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Solution

The fourth proportional to 28,792, 43,192.32 and 10,328.32 is: 15,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792 : 43,192.32 = 10,328.32 : x
  2. Step 2: Convert to fraction form
    28,792/43,192.32 = 10,328.32/x
  3. Step 3: Cross multiply
    28,792x = 43,192.32 × 10,328.32
  4. Step 4: Simplify right side
    28,792x = 446,104,102.50
  5. Step 5: Solve for x
    x = 446,104,102.50/28,792
  6. Step 6: Final answer
    x = 15,494.03

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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.