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Finding the Fourth Proportional to 7,272.95, 10,036.19 and 4,288.64

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Solution

The fourth proportional to 7,272.95, 10,036.19 and 4,288.64 is: 5,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.95 : 10,036.19 = 4,288.64 : x
  2. Step 2: Convert to fraction form
    7,272.95/10,036.19 = 4,288.64/x
  3. Step 3: Cross multiply
    7,272.95x = 10,036.19 × 4,288.64
  4. Step 4: Simplify right side
    7,272.95x = 43,041,534.26
  5. Step 5: Solve for x
    x = 43,041,534.26/7,272.95
  6. Step 6: Final answer
    x = 5,918.03

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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.