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Finding the Fourth Proportional to 6,005.53, 8,291.73 and 3,913.30

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Solution

The fourth proportional to 6,005.53, 8,291.73 and 3,913.30 is: 5,403.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.53 : 8,291.73 = 3,913.30 : x
  2. Step 2: Convert to fraction form
    6,005.53/8,291.73 = 3,913.30/x
  3. Step 3: Cross multiply
    6,005.53x = 8,291.73 × 3,913.30
  4. Step 4: Simplify right side
    6,005.53x = 32,448,027.01
  5. Step 5: Solve for x
    x = 32,448,027.01/6,005.53
  6. Step 6: Final answer
    x = 5,403.02

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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.