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Finding the Fourth Proportional to 30,841.65, 46,260.09 and 8,654.13

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Solution

The fourth proportional to 30,841.65, 46,260.09 and 8,654.13 is: 12,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,841.65 : 46,260.09 = 8,654.13 : x
  2. Step 2: Convert to fraction form
    30,841.65/46,260.09 = 8,654.13/x
  3. Step 3: Cross multiply
    30,841.65x = 46,260.09 × 8,654.13
  4. Step 4: Simplify right side
    30,841.65x = 400,340,832.67
  5. Step 5: Solve for x
    x = 400,340,832.67/30,841.65
  6. Step 6: Final answer
    x = 12,980.53

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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.