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Finding the Fourth Proportional to 34,980.39, 48,272.94 and 19,064.84

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Solution

The fourth proportional to 34,980.39, 48,272.94 and 19,064.84 is: 26,309.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,980.39 : 48,272.94 = 19,064.84 : x
  2. Step 2: Convert to fraction form
    34,980.39/48,272.94 = 19,064.84/x
  3. Step 3: Cross multiply
    34,980.39x = 48,272.94 × 19,064.84
  4. Step 4: Simplify right side
    34,980.39x = 920,315,636.06
  5. Step 5: Solve for x
    x = 920,315,636.06/34,980.39
  6. Step 6: Final answer
    x = 26,309.47

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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.