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Finding the Fourth Proportional to 11,483.36, 15,848.77 and 7,009.71

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Solution

The fourth proportional to 11,483.36, 15,848.77 and 7,009.71 is: 9,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.36 : 15,848.77 = 7,009.71 : x
  2. Step 2: Convert to fraction form
    11,483.36/15,848.77 = 7,009.71/x
  3. Step 3: Cross multiply
    11,483.36x = 15,848.77 × 7,009.71
  4. Step 4: Simplify right side
    11,483.36x = 111,095,264.03
  5. Step 5: Solve for x
    x = 111,095,264.03/11,483.36
  6. Step 6: Final answer
    x = 9,674.46

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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.