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Finding the Fourth Proportional to 5,985.67, 8,991.47 and 4,892.71

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Solution

The fourth proportional to 5,985.67, 8,991.47 and 4,892.71 is: 7,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.67 : 8,991.47 = 4,892.71 : x
  2. Step 2: Convert to fraction form
    5,985.67/8,991.47 = 4,892.71/x
  3. Step 3: Cross multiply
    5,985.67x = 8,991.47 × 4,892.71
  4. Step 4: Simplify right side
    5,985.67x = 43,992,655.18
  5. Step 5: Solve for x
    x = 43,992,655.18/5,985.67
  6. Step 6: Final answer
    x = 7,349.66

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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.