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Finding the Fourth Proportional to 30,595.95, 45,888.62 and 8,404.04

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Solution

The fourth proportional to 30,595.95, 45,888.62 and 8,404.04 is: 12,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.95 : 45,888.62 = 8,404.04 : x
  2. Step 2: Convert to fraction form
    30,595.95/45,888.62 = 8,404.04/x
  3. Step 3: Cross multiply
    30,595.95x = 45,888.62 × 8,404.04
  4. Step 4: Simplify right side
    30,595.95x = 385,649,933.76
  5. Step 5: Solve for x
    x = 385,649,933.76/30,595.95
  6. Step 6: Final answer
    x = 12,604.61

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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.