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Finding the Fourth Proportional to 6,362.65, 9,541.23 and 1,980.45

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Solution

The fourth proportional to 6,362.65, 9,541.23 and 1,980.45 is: 2,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.65 : 9,541.23 = 1,980.45 : x
  2. Step 2: Convert to fraction form
    6,362.65/9,541.23 = 1,980.45/x
  3. Step 3: Cross multiply
    6,362.65x = 9,541.23 × 1,980.45
  4. Step 4: Simplify right side
    6,362.65x = 18,895,921.53
  5. Step 5: Solve for x
    x = 18,895,921.53/6,362.65
  6. Step 6: Final answer
    x = 2,969.82

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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.