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Finding the Fourth Proportional to 30,391.94, 45,594.69 and 9,334.11

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Solution

The fourth proportional to 30,391.94, 45,594.69 and 9,334.11 is: 14,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391.94 : 45,594.69 = 9,334.11 : x
  2. Step 2: Convert to fraction form
    30,391.94/45,594.69 = 9,334.11/x
  3. Step 3: Cross multiply
    30,391.94x = 45,594.69 × 9,334.11
  4. Step 4: Simplify right side
    30,391.94x = 425,585,693.52
  5. Step 5: Solve for x
    x = 425,585,693.52/30,391.94
  6. Step 6: Final answer
    x = 14,003.24

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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.