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Finding the Fourth Proportional to 30,595.52, 45,884.45 and 8,409.62

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Solution

The fourth proportional to 30,595.52, 45,884.45 and 8,409.62 is: 12,612.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.52 : 45,884.45 = 8,409.62 : x
  2. Step 2: Convert to fraction form
    30,595.52/45,884.45 = 8,409.62/x
  3. Step 3: Cross multiply
    30,595.52x = 45,884.45 × 8,409.62
  4. Step 4: Simplify right side
    30,595.52x = 385,870,580.01
  5. Step 5: Solve for x
    x = 385,870,580.01/30,595.52
  6. Step 6: Final answer
    x = 12,612.00

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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.