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Finding the Fourth Proportional to 33,693, 46,511.29 and 21,762.16

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Solution

The fourth proportional to 33,693, 46,511.29 and 21,762.16 is: 30,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,693 : 46,511.29 = 21,762.16 : x
  2. Step 2: Convert to fraction form
    33,693/46,511.29 = 21,762.16/x
  3. Step 3: Cross multiply
    33,693x = 46,511.29 × 21,762.16
  4. Step 4: Simplify right side
    33,693x = 1,012,185,793.42
  5. Step 5: Solve for x
    x = 1,012,185,793.42/33,693
  6. Step 6: Final answer
    x = 30,041.43

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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.