Finding the Fourth Proportional to 6,616,512.05, 9,282,012.55 and 6,616,512.05
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Solution
The fourth proportional to 6,616,512.05, 9,282,012.55 and 6,616,512.05 is: 9,282,012.55
Step by Step Solution
- Step 1: Write the proportion equation
6,616,512.05 : 9,282,012.55 = 6,616,512.05 : x - Step 2: Convert to fraction form
6,616,512.05/9,282,012.55 = 6,616,512.05/x - Step 3: Cross multiply
6,616,512.05x = 9,282,012.55 × 6,616,512.05 - Step 4: Simplify right side
6,616,512.05x = 61,414,547,885,326.23 - Step 5: Solve for x
x = 61,414,547,885,326.23/6,616,512.05 - Step 6: Final answer
x = 9,282,012.55
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1.5x scale
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.