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Finding the Fourth Proportional to 30,007.40, 44,982.30 and 23,340.20

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Solution

The fourth proportional to 30,007.40, 44,982.30 and 23,340.20 is: 34,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.40 : 44,982.30 = 23,340.20 : x
  2. Step 2: Convert to fraction form
    30,007.40/44,982.30 = 23,340.20/x
  3. Step 3: Cross multiply
    30,007.40x = 44,982.30 × 23,340.20
  4. Step 4: Simplify right side
    30,007.40x = 1,049,895,878.46
  5. Step 5: Solve for x
    x = 1,049,895,878.46/30,007.40
  6. Step 6: Final answer
    x = 34,987.90

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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.