Finding the Fourth Proportional to 28,267,403.20, 39,663,944 and 28,267,403.20
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Solution
The fourth proportional to 28,267,403.20, 39,663,944 and 28,267,403.20 is: 39,663,944
Step by Step Solution
- Step 1: Write the proportion equation
28,267,403.20 : 39,663,944 = 28,267,403.20 : x - Step 2: Convert to fraction form
28,267,403.20/39,663,944 = 28,267,403.20/x - Step 3: Cross multiply
28,267,403.20x = 39,663,944 × 28,267,403.20 - Step 4: Simplify right side
28,267,403.20x = 1,121,196,697,550,220.75 - Step 5: Solve for x
x = 1,121,196,697,550,220.75/28,267,403.20 - Step 6: Final answer
x = 39,663,944
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.