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Finding the Fourth Proportional to 6,237, 9,356.04 and 1,620

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Solution

The fourth proportional to 6,237, 9,356.04 and 1,620 is: 2,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237 : 9,356.04 = 1,620 : x
  2. Step 2: Convert to fraction form
    6,237/9,356.04 = 1,620/x
  3. Step 3: Cross multiply
    6,237x = 9,356.04 × 1,620
  4. Step 4: Simplify right side
    6,237x = 15,156,784.80
  5. Step 5: Solve for x
    x = 15,156,784.80/6,237
  6. Step 6: Final answer
    x = 2,430.14

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