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Finding the Fourth Proportional to 11,482.63, 15,852.02 and 7,239.85

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Solution

The fourth proportional to 11,482.63, 15,852.02 and 7,239.85 is: 9,994.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.63 : 15,852.02 = 7,239.85 : x
  2. Step 2: Convert to fraction form
    11,482.63/15,852.02 = 7,239.85/x
  3. Step 3: Cross multiply
    11,482.63x = 15,852.02 × 7,239.85
  4. Step 4: Simplify right side
    11,482.63x = 114,766,171.17
  5. Step 5: Solve for x
    x = 114,766,171.17/11,482.63
  6. Step 6: Final answer
    x = 9,994.77

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Why These Related Problems?

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