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Finding the Fourth Proportional to 29,967.80, 44,930.10 and 19,585.40

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Solution

The fourth proportional to 29,967.80, 44,930.10 and 19,585.40 is: 29,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967.80 : 44,930.10 = 19,585.40 : x
  2. Step 2: Convert to fraction form
    29,967.80/44,930.10 = 19,585.40/x
  3. Step 3: Cross multiply
    29,967.80x = 44,930.10 × 19,585.40
  4. Step 4: Simplify right side
    29,967.80x = 879,973,980.54
  5. Step 5: Solve for x
    x = 879,973,980.54/29,967.80
  6. Step 6: Final answer
    x = 29,363.98

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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.