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Finding the Fourth Proportional to 12,347.01, 18,520.50 and 4,027.02

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Solution

The fourth proportional to 12,347.01, 18,520.50 and 4,027.02 is: 6,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347.01 : 18,520.50 = 4,027.02 : x
  2. Step 2: Convert to fraction form
    12,347.01/18,520.50 = 4,027.02/x
  3. Step 3: Cross multiply
    12,347.01x = 18,520.50 × 4,027.02
  4. Step 4: Simplify right side
    12,347.01x = 74,582,331.31
  5. Step 5: Solve for x
    x = 74,582,331.31/12,347.01
  6. Step 6: Final answer
    x = 6,040.52

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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.