Finding the Fourth Proportional to 7,759,675.12, 10,706,463.06 and 5,110,249.12
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Solution
The fourth proportional to 7,759,675.12, 10,706,463.06 and 5,110,249.12 is: 7,050,900.02
Step by Step Solution
- Step 1: Write the proportion equation
7,759,675.12 : 10,706,463.06 = 5,110,249.12 : x - Step 2: Convert to fraction form
7,759,675.12/10,706,463.06 = 5,110,249.12/x - Step 3: Cross multiply
7,759,675.12x = 10,706,463.06 × 5,110,249.12 - Step 4: Simplify right side
7,759,675.12x = 54,712,693,430,677.51 - Step 5: Solve for x
x = 54,712,693,430,677.51/7,759,675.12 - Step 6: Final answer
x = 7,050,900.02
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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.