Finding the Fourth Proportional to 35,609,116.70, 53,413,675.05 and 12,881,812.70
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Solution
The fourth proportional to 35,609,116.70, 53,413,675.05 and 12,881,812.70 is: 19,322,719.05
Step by Step Solution
- Step 1: Write the proportion equation
35,609,116.70 : 53,413,675.05 = 12,881,812.70 : x - Step 2: Convert to fraction form
35,609,116.70/53,413,675.05 = 12,881,812.70/x - Step 3: Cross multiply
35,609,116.70x = 53,413,675.05 × 12,881,812.70 - Step 4: Simplify right side
35,609,116.70x = 688,064,957,612,763 - Step 5: Solve for x
x = 688,064,957,612,763/35,609,116.70 - Step 6: Final answer
x = 19,322,719.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.