Finding the Fourth Proportional to 38,561,369.96, 53,214,684.79 and 22,041,849.24
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Solution
The fourth proportional to 38,561,369.96, 53,214,684.79 and 22,041,849.24 is: 30,417,748.66
Step by Step Solution
- Step 1: Write the proportion equation
38,561,369.96 : 53,214,684.79 = 22,041,849.24 : x - Step 2: Convert to fraction form
38,561,369.96/53,214,684.79 = 22,041,849.24/x - Step 3: Cross multiply
38,561,369.96x = 53,214,684.79 × 22,041,849.24 - Step 4: Simplify right side
38,561,369.96x = 1,172,950,059,495,301 - Step 5: Solve for x
x = 1,172,950,059,495,301/38,561,369.96 - Step 6: Final answer
x = 30,417,748.66
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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.