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Finding the Fourth Proportional to 4,999.86, 7,502.33 and 3,030.20

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Solution

The fourth proportional to 4,999.86, 7,502.33 and 3,030.20 is: 4,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.86 : 7,502.33 = 3,030.20 : x
  2. Step 2: Convert to fraction form
    4,999.86/7,502.33 = 3,030.20/x
  3. Step 3: Cross multiply
    4,999.86x = 7,502.33 × 3,030.20
  4. Step 4: Simplify right side
    4,999.86x = 22,733,522.85
  5. Step 5: Solve for x
    x = 22,733,522.85/4,999.86
  6. Step 6: Final answer
    x = 4,546.83

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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.