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Finding the Fourth Proportional to 19,242, 26,554 and 10,858.32

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Solution

The fourth proportional to 19,242, 26,554 and 10,858.32 is: 14,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242 : 26,554 = 10,858.32 : x
  2. Step 2: Convert to fraction form
    19,242/26,554 = 10,858.32/x
  3. Step 3: Cross multiply
    19,242x = 26,554 × 10,858.32
  4. Step 4: Simplify right side
    19,242x = 288,331,829.28
  5. Step 5: Solve for x
    x = 288,331,829.28/19,242
  6. Step 6: Final answer
    x = 14,984.50

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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.