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Finding the Fourth Proportional to 34,980.69, 48,273.90 and 19,065.12

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Solution

The fourth proportional to 34,980.69, 48,273.90 and 19,065.12 is: 26,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.69 : 48,273.90 = 19,065.12 : x
  2. Step 2: Convert to fraction form
    34,980.69/48,273.90 = 19,065.12/x
  3. Step 3: Cross multiply
    34,980.69x = 48,273.90 × 19,065.12
  4. Step 4: Simplify right side
    34,980.69x = 920,347,696.37
  5. Step 5: Solve for x
    x = 920,347,696.37/34,980.69
  6. Step 6: Final answer
    x = 26,310.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.