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Finding the Fourth Proportional to 29,603.92, 40,880.69 and 19,012.01

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Solution

The fourth proportional to 29,603.92, 40,880.69 and 19,012.01 is: 26,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,603.92 : 40,880.69 = 19,012.01 : x
  2. Step 2: Convert to fraction form
    29,603.92/40,880.69 = 19,012.01/x
  3. Step 3: Cross multiply
    29,603.92x = 40,880.69 × 19,012.01
  4. Step 4: Simplify right side
    29,603.92x = 777,223,906.45
  5. Step 5: Solve for x
    x = 777,223,906.45/29,603.92
  6. Step 6: Final answer
    x = 26,254.09

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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.