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Finding the Fourth Proportional to 4,647.44, 6,968.64 and 1,526.72

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Solution

The fourth proportional to 4,647.44, 6,968.64 and 1,526.72 is: 2,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647.44 : 6,968.64 = 1,526.72 : x
  2. Step 2: Convert to fraction form
    4,647.44/6,968.64 = 1,526.72/x
  3. Step 3: Cross multiply
    4,647.44x = 6,968.64 × 1,526.72
  4. Step 4: Simplify right side
    4,647.44x = 10,639,162.06
  5. Step 5: Solve for x
    x = 10,639,162.06/4,647.44
  6. Step 6: Final answer
    x = 2,289.25

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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.