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Finding the Fourth Proportional to 30,006.40, 44,980.80 and 23,339.20

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Solution

The fourth proportional to 30,006.40, 44,980.80 and 23,339.20 is: 34,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.40 : 44,980.80 = 23,339.20 : x
  2. Step 2: Convert to fraction form
    30,006.40/44,980.80 = 23,339.20/x
  3. Step 3: Cross multiply
    30,006.40x = 44,980.80 × 23,339.20
  4. Step 4: Simplify right side
    30,006.40x = 1,049,815,887.36
  5. Step 5: Solve for x
    x = 1,049,815,887.36/30,006.40
  6. Step 6: Final answer
    x = 34,986.40

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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.