Finding the Fourth Proportional to 7,574,294.56, 11,361,675.12 and 3,312,268.96
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Solution
The fourth proportional to 7,574,294.56, 11,361,675.12 and 3,312,268.96 is: 4,968,505.45
Step by Step Solution
- Step 1: Write the proportion equation
7,574,294.56 : 11,361,675.12 = 3,312,268.96 : x - Step 2: Convert to fraction form
7,574,294.56/11,361,675.12 = 3,312,268.96/x - Step 3: Cross multiply
7,574,294.56x = 11,361,675.12 × 3,312,268.96 - Step 4: Simplify right side
7,574,294.56x = 37,632,923,833,580.27 - Step 5: Solve for x
x = 37,632,923,833,580.27/7,574,294.56 - Step 6: Final answer
x = 4,968,505.45
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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.