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Finding the Fourth Proportional to 30,360.40, 45,540.92 and 9,584.08

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Solution

The fourth proportional to 30,360.40, 45,540.92 and 9,584.08 is: 14,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.40 : 45,540.92 = 9,584.08 : x
  2. Step 2: Convert to fraction form
    30,360.40/45,540.92 = 9,584.08/x
  3. Step 3: Cross multiply
    30,360.40x = 45,540.92 × 9,584.08
  4. Step 4: Simplify right side
    30,360.40x = 436,467,820.55
  5. Step 5: Solve for x
    x = 436,467,820.55/30,360.40
  6. Step 6: Final answer
    x = 14,376.22

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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.