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Finding the Fourth Proportional to 5,743.08, 8,607.28 and 4,999.64

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Solution

The fourth proportional to 5,743.08, 8,607.28 and 4,999.64 is: 7,493.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,743.08 : 8,607.28 = 4,999.64 : x
  2. Step 2: Convert to fraction form
    5,743.08/8,607.28 = 4,999.64/x
  3. Step 3: Cross multiply
    5,743.08x = 8,607.28 × 4,999.64
  4. Step 4: Simplify right side
    5,743.08x = 43,033,301.38
  5. Step 5: Solve for x
    x = 43,033,301.38/5,743.08
  6. Step 6: Final answer
    x = 7,493.07

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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.