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Finding the Fourth Proportional to 18,852, 26,012.88 and 10,468.32

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Solution

The fourth proportional to 18,852, 26,012.88 and 10,468.32 is: 14,444.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852 : 26,012.88 = 10,468.32 : x
  2. Step 2: Convert to fraction form
    18,852/26,012.88 = 10,468.32/x
  3. Step 3: Cross multiply
    18,852x = 26,012.88 × 10,468.32
  4. Step 4: Simplify right side
    18,852x = 272,311,151.96
  5. Step 5: Solve for x
    x = 272,311,151.96/18,852
  6. Step 6: Final answer
    x = 14,444.68

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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.