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Finding the Fourth Proportional to 33,782.40, 46,621.50 and 19,444.40

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Solution

The fourth proportional to 33,782.40, 46,621.50 and 19,444.40 is: 26,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,782.40 : 46,621.50 = 19,444.40 : x
  2. Step 2: Convert to fraction form
    33,782.40/46,621.50 = 19,444.40/x
  3. Step 3: Cross multiply
    33,782.40x = 46,621.50 × 19,444.40
  4. Step 4: Simplify right side
    33,782.40x = 906,527,094.60
  5. Step 5: Solve for x
    x = 906,527,094.60/33,782.40
  6. Step 6: Final answer
    x = 26,834.30

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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.