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Finding the Fourth Proportional to 4,323.63, 6,485.90 and 1,203.64

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Solution

The fourth proportional to 4,323.63, 6,485.90 and 1,203.64 is: 1,805.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.63 : 6,485.90 = 1,203.64 : x
  2. Step 2: Convert to fraction form
    4,323.63/6,485.90 = 1,203.64/x
  3. Step 3: Cross multiply
    4,323.63x = 6,485.90 × 1,203.64
  4. Step 4: Simplify right side
    4,323.63x = 7,806,688.68
  5. Step 5: Solve for x
    x = 7,806,688.68/4,323.63
  6. Step 6: Final answer
    x = 1,805.59

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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.