Finding the Fourth Proportional to 38,953,145.40, 53,745,682.84 and 25,185,543
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Solution
The fourth proportional to 38,953,145.40, 53,745,682.84 and 25,185,543 is: 34,749,804.99
Step by Step Solution
- Step 1: Write the proportion equation
38,953,145.40 : 53,745,682.84 = 25,185,543 : x - Step 2: Convert to fraction form
38,953,145.40/53,745,682.84 = 25,185,543/x - Step 3: Cross multiply
38,953,145.40x = 53,745,682.84 × 25,185,543 - Step 4: Simplify right side
38,953,145.40x = 1,353,614,206,231,182.25 - Step 5: Solve for x
x = 1,353,614,206,231,182.25/38,953,145.40 - Step 6: Final answer
x = 34,749,804.99
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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.