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Finding the Fourth Proportional to 6,240.84, 9,368.70 and 4,943.40

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Solution

The fourth proportional to 6,240.84, 9,368.70 and 4,943.40 is: 7,420.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.84 : 9,368.70 = 4,943.40 : x
  2. Step 2: Convert to fraction form
    6,240.84/9,368.70 = 4,943.40/x
  3. Step 3: Cross multiply
    6,240.84x = 9,368.70 × 4,943.40
  4. Step 4: Simplify right side
    6,240.84x = 46,313,231.58
  5. Step 5: Solve for x
    x = 46,313,231.58/6,240.84
  6. Step 6: Final answer
    x = 7,420.99

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1.5x scale

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.