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Finding the Fourth Proportional to 33,645, 46,430.10 and 19,506.05

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Solution

The fourth proportional to 33,645, 46,430.10 and 19,506.05 is: 26,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645 : 46,430.10 = 19,506.05 : x
  2. Step 2: Convert to fraction form
    33,645/46,430.10 = 19,506.05/x
  3. Step 3: Cross multiply
    33,645x = 46,430.10 × 19,506.05
  4. Step 4: Simplify right side
    33,645x = 905,667,852.11
  5. Step 5: Solve for x
    x = 905,667,852.11/33,645
  6. Step 6: Final answer
    x = 26,918.35

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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.