Finding the Fourth Proportional to 7,050,715.75, 9,732,963.99 and 4,761,976.51
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Solution
The fourth proportional to 7,050,715.75, 9,732,963.99 and 4,761,976.51 is: 6,573,537.71
Step by Step Solution
- Step 1: Write the proportion equation
7,050,715.75 : 9,732,963.99 = 4,761,976.51 : x - Step 2: Convert to fraction form
7,050,715.75/9,732,963.99 = 4,761,976.51/x - Step 3: Cross multiply
7,050,715.75x = 9,732,963.99 × 4,761,976.51 - Step 4: Simplify right side
7,050,715.75x = 46,348,145,893,055.88 - Step 5: Solve for x
x = 46,348,145,893,055.88/7,050,715.75 - Step 6: Final answer
x = 6,573,537.71
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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.