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Finding the Fourth Proportional to 30,403.52, 45,604.74 and 9,627.08

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Solution

The fourth proportional to 30,403.52, 45,604.74 and 9,627.08 is: 14,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,403.52 : 45,604.74 = 9,627.08 : x
  2. Step 2: Convert to fraction form
    30,403.52/45,604.74 = 9,627.08/x
  3. Step 3: Cross multiply
    30,403.52x = 45,604.74 × 9,627.08
  4. Step 4: Simplify right side
    30,403.52x = 439,040,480.36
  5. Step 5: Solve for x
    x = 439,040,480.36/30,403.52
  6. Step 6: Final answer
    x = 14,440.45

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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.