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Finding the Fourth Proportional to 33,410.80, 46,106.40 and 18,303.40

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Solution

The fourth proportional to 33,410.80, 46,106.40 and 18,303.40 is: 25,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,410.80 : 46,106.40 = 18,303.40 : x
  2. Step 2: Convert to fraction form
    33,410.80/46,106.40 = 18,303.40/x
  3. Step 3: Cross multiply
    33,410.80x = 46,106.40 × 18,303.40
  4. Step 4: Simplify right side
    33,410.80x = 843,903,881.76
  5. Step 5: Solve for x
    x = 843,903,881.76/33,410.80
  6. Step 6: Final answer
    x = 25,258.42

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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.