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Finding the Fourth Proportional to 7,892.92, 11,840.01 and 4,606.35

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Solution

The fourth proportional to 7,892.92, 11,840.01 and 4,606.35 is: 6,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,892.92 : 11,840.01 = 4,606.35 : x
  2. Step 2: Convert to fraction form
    7,892.92/11,840.01 = 4,606.35/x
  3. Step 3: Cross multiply
    7,892.92x = 11,840.01 × 4,606.35
  4. Step 4: Simplify right side
    7,892.92x = 54,539,230.06
  5. Step 5: Solve for x
    x = 54,539,230.06/7,892.92
  6. Step 6: Final answer
    x = 6,909.89

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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.