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Finding the Fourth Proportional to 30,589.52, 45,875.46 and 8,403.62

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Solution

The fourth proportional to 30,589.52, 45,875.46 and 8,403.62 is: 12,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,589.52 : 45,875.46 = 8,403.62 : x
  2. Step 2: Convert to fraction form
    30,589.52/45,875.46 = 8,403.62/x
  3. Step 3: Cross multiply
    30,589.52x = 45,875.46 × 8,403.62
  4. Step 4: Simplify right side
    30,589.52x = 385,519,735.30
  5. Step 5: Solve for x
    x = 385,519,735.30/30,589.52
  6. Step 6: Final answer
    x = 12,603.00

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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.