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Finding the Fourth Proportional to 17,848.98, 26,790.03 and 9,090.45

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Solution

The fourth proportional to 17,848.98, 26,790.03 and 9,090.45 is: 13,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,848.98 : 26,790.03 = 9,090.45 : x
  2. Step 2: Convert to fraction form
    17,848.98/26,790.03 = 9,090.45/x
  3. Step 3: Cross multiply
    17,848.98x = 26,790.03 × 9,090.45
  4. Step 4: Simplify right side
    17,848.98x = 243,533,428.21
  5. Step 5: Solve for x
    x = 243,533,428.21/17,848.98
  6. Step 6: Final answer
    x = 13,644.11

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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.