Finding the Fourth Proportional to 5,069,726.88, 6,992,376.10 and 3,672,246.21
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Solution
The fourth proportional to 5,069,726.88, 6,992,376.10 and 3,672,246.21 is: 5,064,913.21
Step by Step Solution
- Step 1: Write the proportion equation
5,069,726.88 : 6,992,376.10 = 3,672,246.21 : x - Step 2: Convert to fraction form
5,069,726.88/6,992,376.10 = 3,672,246.21/x - Step 3: Cross multiply
5,069,726.88x = 6,992,376.10 × 3,672,246.21 - Step 4: Simplify right side
5,069,726.88x = 25,677,726,632,119.58 - Step 5: Solve for x
x = 25,677,726,632,119.58/5,069,726.88 - Step 6: Final answer
x = 5,064,913.21
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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.