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Finding the Fourth Proportional to 30,000.40, 44,971.80 and 23,333.20

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Solution

The fourth proportional to 30,000.40, 44,971.80 and 23,333.20 is: 34,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.40 : 44,971.80 = 23,333.20 : x
  2. Step 2: Convert to fraction form
    30,000.40/44,971.80 = 23,333.20/x
  3. Step 3: Cross multiply
    30,000.40x = 44,971.80 × 23,333.20
  4. Step 4: Simplify right side
    30,000.40x = 1,049,336,003.76
  5. Step 5: Solve for x
    x = 1,049,336,003.76/30,000.40
  6. Step 6: Final answer
    x = 34,977.40

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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.