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Finding the Fourth Proportional to 18,762.24, 25,893.04 and 10,804.32

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Solution

The fourth proportional to 18,762.24, 25,893.04 and 10,804.32 is: 14,910.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762.24 : 25,893.04 = 10,804.32 : x
  2. Step 2: Convert to fraction form
    18,762.24/25,893.04 = 10,804.32/x
  3. Step 3: Cross multiply
    18,762.24x = 25,893.04 × 10,804.32
  4. Step 4: Simplify right side
    18,762.24x = 279,756,689.93
  5. Step 5: Solve for x
    x = 279,756,689.93/18,762.24
  6. Step 6: Final answer
    x = 14,910.62

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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.