Finding the Fourth Proportional to 4,748,721.24, 7,088,696.86 and 4,174,125.26
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Solution
The fourth proportional to 4,748,721.24, 7,088,696.86 and 4,174,125.26 is: 6,230,963.48
Step by Step Solution
- Step 1: Write the proportion equation
4,748,721.24 : 7,088,696.86 = 4,174,125.26 : x - Step 2: Convert to fraction form
4,748,721.24/7,088,696.86 = 4,174,125.26/x - Step 3: Cross multiply
4,748,721.24x = 7,088,696.86 × 4,174,125.26 - Step 4: Simplify right side
4,748,721.24x = 29,589,108,623,808.68 - Step 5: Solve for x
x = 29,589,108,623,808.68/4,748,721.24 - Step 6: Final answer
x = 6,230,963.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.