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Finding the Fourth Proportional to 33,336, 46,004.40 and 19,186.56

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Solution

The fourth proportional to 33,336, 46,004.40 and 19,186.56 is: 26,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,336 : 46,004.40 = 19,186.56 : x
  2. Step 2: Convert to fraction form
    33,336/46,004.40 = 19,186.56/x
  3. Step 3: Cross multiply
    33,336x = 46,004.40 × 19,186.56
  4. Step 4: Simplify right side
    33,336x = 882,666,180.86
  5. Step 5: Solve for x
    x = 882,666,180.86/33,336
  6. Step 6: Final answer
    x = 26,477.87

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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.