Finding the Fourth Proportional to 32,296,418.55, 44,576,538.12 and 21,285,125.05
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Solution
The fourth proportional to 32,296,418.55, 44,576,538.12 and 21,285,125.05 is: 29,378,402.65
Step by Step Solution
- Step 1: Write the proportion equation
32,296,418.55 : 44,576,538.12 = 21,285,125.05 : x - Step 2: Convert to fraction form
32,296,418.55/44,576,538.12 = 21,285,125.05/x - Step 3: Cross multiply
32,296,418.55x = 44,576,538.12 × 21,285,125.05 - Step 4: Simplify right side
32,296,418.55x = 948,817,188,180,291.88 - Step 5: Solve for x
x = 948,817,188,180,291.88/32,296,418.55 - Step 6: Final answer
x = 29,378,402.65
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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.