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Finding the Fourth Proportional to 34,934.64, 48,209.77 and 19,019.09

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Solution

The fourth proportional to 34,934.64, 48,209.77 and 19,019.09 is: 26,246.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,934.64 : 48,209.77 = 19,019.09 : x
  2. Step 2: Convert to fraction form
    34,934.64/48,209.77 = 19,019.09/x
  3. Step 3: Cross multiply
    34,934.64x = 48,209.77 × 19,019.09
  4. Step 4: Simplify right side
    34,934.64x = 916,905,954.51
  5. Step 5: Solve for x
    x = 916,905,954.51/34,934.64
  6. Step 6: Final answer
    x = 26,246.33

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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.