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Finding the Fourth Proportional to 17,666.10, 26,485.65 and 8,907.30

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Solution

The fourth proportional to 17,666.10, 26,485.65 and 8,907.30 is: 13,354.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.10 : 26,485.65 = 8,907.30 : x
  2. Step 2: Convert to fraction form
    17,666.10/26,485.65 = 8,907.30/x
  3. Step 3: Cross multiply
    17,666.10x = 26,485.65 × 8,907.30
  4. Step 4: Simplify right side
    17,666.10x = 235,915,630.25
  5. Step 5: Solve for x
    x = 235,915,630.25/17,666.10
  6. Step 6: Final answer
    x = 13,354.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.