Finding the Fourth Proportional to 6,804,686.30, 10,207,029.45 and 4,649,179.10
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Solution
The fourth proportional to 6,804,686.30, 10,207,029.45 and 4,649,179.10 is: 6,973,768.65
Step by Step Solution
- Step 1: Write the proportion equation
6,804,686.30 : 10,207,029.45 = 4,649,179.10 : x - Step 2: Convert to fraction form
6,804,686.30/10,207,029.45 = 4,649,179.10/x - Step 3: Cross multiply
6,804,686.30x = 10,207,029.45 × 4,649,179.10 - Step 4: Simplify right side
6,804,686.30x = 47,454,307,992,024.48 - Step 5: Solve for x
x = 47,454,307,992,024.48/6,804,686.30 - Step 6: Final answer
x = 6,973,768.65
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Double scale
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Similar ratio
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1.5x scale
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.