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Finding the Fourth Proportional to 6,807.63, 9,388.28 and 4,415.10

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Solution

The fourth proportional to 6,807.63, 9,388.28 and 4,415.10 is: 6,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.63 : 9,388.28 = 4,415.10 : x
  2. Step 2: Convert to fraction form
    6,807.63/9,388.28 = 4,415.10/x
  3. Step 3: Cross multiply
    6,807.63x = 9,388.28 × 4,415.10
  4. Step 4: Simplify right side
    6,807.63x = 41,450,206.07
  5. Step 5: Solve for x
    x = 41,450,206.07/6,807.63
  6. Step 6: Final answer
    x = 6,088.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.