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Finding the Fourth Proportional to 11,295.51, 15,588.30 and 6,259.72

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Solution

The fourth proportional to 11,295.51, 15,588.30 and 6,259.72 is: 8,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.51 : 15,588.30 = 6,259.72 : x
  2. Step 2: Convert to fraction form
    11,295.51/15,588.30 = 6,259.72/x
  3. Step 3: Cross multiply
    11,295.51x = 15,588.30 × 6,259.72
  4. Step 4: Simplify right side
    11,295.51x = 97,578,393.28
  5. Step 5: Solve for x
    x = 97,578,393.28/11,295.51
  6. Step 6: Final answer
    x = 8,638.69

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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.