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Finding the Fourth Proportional to 12,598.85, 17,386.43 and 7,009.85

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Solution

The fourth proportional to 12,598.85, 17,386.43 and 7,009.85 is: 9,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.85 : 17,386.43 = 7,009.85 : x
  2. Step 2: Convert to fraction form
    12,598.85/17,386.43 = 7,009.85/x
  3. Step 3: Cross multiply
    12,598.85x = 17,386.43 × 7,009.85
  4. Step 4: Simplify right side
    12,598.85x = 121,876,266.34
  5. Step 5: Solve for x
    x = 121,876,266.34/12,598.85
  6. Step 6: Final answer
    x = 9,673.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.