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Finding the Fourth Proportional to 30,960.60, 46,440.90 and 22,277.40

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Solution

The fourth proportional to 30,960.60, 46,440.90 and 22,277.40 is: 33,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,960.60 : 46,440.90 = 22,277.40 : x
  2. Step 2: Convert to fraction form
    30,960.60/46,440.90 = 22,277.40/x
  3. Step 3: Cross multiply
    30,960.60x = 46,440.90 × 22,277.40
  4. Step 4: Simplify right side
    30,960.60x = 1,034,582,505.66
  5. Step 5: Solve for x
    x = 1,034,582,505.66/30,960.60
  6. Step 6: Final answer
    x = 33,416.10

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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.