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Finding the Fourth Proportional to 30,595.92, 45,893.85 and 8,409.39

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Solution

The fourth proportional to 30,595.92, 45,893.85 and 8,409.39 is: 12,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.92 : 45,893.85 = 8,409.39 : x
  2. Step 2: Convert to fraction form
    30,595.92/45,893.85 = 8,409.39/x
  3. Step 3: Cross multiply
    30,595.92x = 45,893.85 × 8,409.39
  4. Step 4: Simplify right side
    30,595.92x = 385,939,283.25
  5. Step 5: Solve for x
    x = 385,939,283.25/30,595.92
  6. Step 6: Final answer
    x = 12,614.08

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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.