Finding the Fourth Proportional to 33,118.90, 45,659.36 and 22,490.08
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Solution
The fourth proportional to 33,118.90, 45,659.36 and 22,490.08 is: 31,005.94
Step by Step Solution
- Step 1: Write the proportion equation
33,118.90 : 45,659.36 = 22,490.08 : x - Step 2: Convert to fraction form
33,118.90/45,659.36 = 22,490.08/x - Step 3: Cross multiply
33,118.90x = 45,659.36 × 22,490.08 - Step 4: Simplify right side
33,118.90x = 1,026,882,601.23 - Step 5: Solve for x
x = 1,026,882,601.23/33,118.90 - Step 6: Final answer
x = 31,005.94
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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.