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Finding the Fourth Proportional to 18,361.77, 25,340.45 and 10,295.97

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Solution

The fourth proportional to 18,361.77, 25,340.45 and 10,295.97 is: 14,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.77 : 25,340.45 = 10,295.97 : x
  2. Step 2: Convert to fraction form
    18,361.77/25,340.45 = 10,295.97/x
  3. Step 3: Cross multiply
    18,361.77x = 25,340.45 × 10,295.97
  4. Step 4: Simplify right side
    18,361.77x = 260,904,461.51
  5. Step 5: Solve for x
    x = 260,904,461.51/18,361.77
  6. Step 6: Final answer
    x = 14,209.11

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1.5x scale

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.