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Finding the Fourth Proportional to 7,007.99, 10,511.94 and 2,078.01

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Solution

The fourth proportional to 7,007.99, 10,511.94 and 2,078.01 is: 3,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.99 : 10,511.94 = 2,078.01 : x
  2. Step 2: Convert to fraction form
    7,007.99/10,511.94 = 2,078.01/x
  3. Step 3: Cross multiply
    7,007.99x = 10,511.94 × 2,078.01
  4. Step 4: Simplify right side
    7,007.99x = 21,843,916.44
  5. Step 5: Solve for x
    x = 21,843,916.44/7,007.99
  6. Step 6: Final answer
    x = 3,117.00

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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.