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Finding the Fourth Proportional to 11,061.35, 15,264.04 and 6,345.63

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Solution

The fourth proportional to 11,061.35, 15,264.04 and 6,345.63 is: 8,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,061.35 : 15,264.04 = 6,345.63 : x
  2. Step 2: Convert to fraction form
    11,061.35/15,264.04 = 6,345.63/x
  3. Step 3: Cross multiply
    11,061.35x = 15,264.04 × 6,345.63
  4. Step 4: Simplify right side
    11,061.35x = 96,859,950.15
  5. Step 5: Solve for x
    x = 96,859,950.15/11,061.35
  6. Step 6: Final answer
    x = 8,756.61

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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.