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Finding the Fourth Proportional to 5,065.79, 7,599.12 and 1,368.00

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Solution

The fourth proportional to 5,065.79, 7,599.12 and 1,368.00 is: 2,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.79 : 7,599.12 = 1,368.00 : x
  2. Step 2: Convert to fraction form
    5,065.79/7,599.12 = 1,368.00/x
  3. Step 3: Cross multiply
    5,065.79x = 7,599.12 × 1,368.00
  4. Step 4: Simplify right side
    5,065.79x = 10,395,615.16
  5. Step 5: Solve for x
    x = 10,395,615.16/5,065.79
  6. Step 6: Final answer
    x = 2,052.12

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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.