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Finding the Fourth Proportional to 7,368.53, 11,052.63 and 2,986.01

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Solution

The fourth proportional to 7,368.53, 11,052.63 and 2,986.01 is: 4,478.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.53 : 11,052.63 = 2,986.01 : x
  2. Step 2: Convert to fraction form
    7,368.53/11,052.63 = 2,986.01/x
  3. Step 3: Cross multiply
    7,368.53x = 11,052.63 × 2,986.01
  4. Step 4: Simplify right side
    7,368.53x = 33,003,263.71
  5. Step 5: Solve for x
    x = 33,003,263.71/7,368.53
  6. Step 6: Final answer
    x = 4,478.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.