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Finding the Fourth Proportional to 30,593.34, 45,890.51 and 8,406.58

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Solution

The fourth proportional to 30,593.34, 45,890.51 and 8,406.58 is: 12,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,593.34 : 45,890.51 = 8,406.58 : x
  2. Step 2: Convert to fraction form
    30,593.34/45,890.51 = 8,406.58/x
  3. Step 3: Cross multiply
    30,593.34x = 45,890.51 × 8,406.58
  4. Step 4: Simplify right side
    30,593.34x = 385,782,149.85
  5. Step 5: Solve for x
    x = 385,782,149.85/30,593.34
  6. Step 6: Final answer
    x = 12,610.00

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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.