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Finding the Fourth Proportional to 11,425.55, 17,130.48 and 6,089.51

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Solution

The fourth proportional to 11,425.55, 17,130.48 and 6,089.51 is: 9,130.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,425.55 : 17,130.48 = 6,089.51 : x
  2. Step 2: Convert to fraction form
    11,425.55/17,130.48 = 6,089.51/x
  3. Step 3: Cross multiply
    11,425.55x = 17,130.48 × 6,089.51
  4. Step 4: Simplify right side
    11,425.55x = 104,316,143.61
  5. Step 5: Solve for x
    x = 104,316,143.61/11,425.55
  6. Step 6: Final answer
    x = 9,130.08

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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.