Finding the Fourth Proportional to 7,808,032.67, 10,773,553.84 and 4,905,742.05
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Solution
The fourth proportional to 7,808,032.67, 10,773,553.84 and 4,905,742.05 is: 6,768,961.96
Step by Step Solution
- Step 1: Write the proportion equation
7,808,032.67 : 10,773,553.84 = 4,905,742.05 : x - Step 2: Convert to fraction form
7,808,032.67/10,773,553.84 = 4,905,742.05/x - Step 3: Cross multiply
7,808,032.67x = 10,773,553.84 × 4,905,742.05 - Step 4: Simplify right side
7,808,032.67x = 52,852,276,088,562.62 - Step 5: Solve for x
x = 52,852,276,088,562.62/7,808,032.67 - Step 6: Final answer
x = 6,768,961.96
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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.