Finding the Fourth Proportional to 8,045,258.23, 11,102,674.58 and 4,374,421.75
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Solution
The fourth proportional to 8,045,258.23, 11,102,674.58 and 4,374,421.75 is: 6,036,820.67
Step by Step Solution
- Step 1: Write the proportion equation
8,045,258.23 : 11,102,674.58 = 4,374,421.75 : x - Step 2: Convert to fraction form
8,045,258.23/11,102,674.58 = 4,374,421.75/x - Step 3: Cross multiply
8,045,258.23x = 11,102,674.58 × 4,374,421.75 - Step 4: Simplify right side
8,045,258.23x = 48,567,781,165,924.12 - Step 5: Solve for x
x = 48,567,781,165,924.12/8,045,258.23 - Step 6: Final answer
x = 6,036,820.67
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Double scale
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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.