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Finding the Fourth Proportional to 6,362.79, 8,783.97 and 4,943.28

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Solution

The fourth proportional to 6,362.79, 8,783.97 and 4,943.28 is: 6,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.79 : 8,783.97 = 4,943.28 : x
  2. Step 2: Convert to fraction form
    6,362.79/8,783.97 = 4,943.28/x
  3. Step 3: Cross multiply
    6,362.79x = 8,783.97 × 4,943.28
  4. Step 4: Simplify right side
    6,362.79x = 43,421,598.51
  5. Step 5: Solve for x
    x = 43,421,598.51/6,362.79
  6. Step 6: Final answer
    x = 6,824.30

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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.