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Finding the Fourth Proportional to 5,742.83, 8,606.90 and 4,999.40

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Solution

The fourth proportional to 5,742.83, 8,606.90 and 4,999.40 is: 7,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,742.83 : 8,606.90 = 4,999.40 : x
  2. Step 2: Convert to fraction form
    5,742.83/8,606.90 = 4,999.40/x
  3. Step 3: Cross multiply
    5,742.83x = 8,606.90 × 4,999.40
  4. Step 4: Simplify right side
    5,742.83x = 43,029,335.86
  5. Step 5: Solve for x
    x = 43,029,335.86/5,742.83
  6. Step 6: Final answer
    x = 7,492.71

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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.