Finding the Fourth Proportional to 42,573,169.88, 58,759,522.98 and 27,863,407.88
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Solution
The fourth proportional to 42,573,169.88, 58,759,522.98 and 27,863,407.88 is: 38,457,097.75
Step by Step Solution
- Step 1: Write the proportion equation
42,573,169.88 : 58,759,522.98 = 27,863,407.88 : x - Step 2: Convert to fraction form
42,573,169.88/58,759,522.98 = 27,863,407.88/x - Step 3: Cross multiply
42,573,169.88x = 58,759,522.98 × 27,863,407.88 - Step 4: Simplify right side
42,573,169.88x = 1,637,240,555,625,973 - Step 5: Solve for x
x = 1,637,240,555,625,973/42,573,169.88 - Step 6: Final answer
x = 38,457,097.75
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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.