Finding the Fourth Proportional to 5,520,330.96, 7,610,185.08 and 4,294,483.44
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Solution
The fourth proportional to 5,520,330.96, 7,610,185.08 and 4,294,483.44 is: 5,920,263.48
Step by Step Solution
- Step 1: Write the proportion equation
5,520,330.96 : 7,610,185.08 = 4,294,483.44 : x - Step 2: Convert to fraction form
5,520,330.96/7,610,185.08 = 4,294,483.44/x - Step 3: Cross multiply
5,520,330.96x = 7,610,185.08 × 4,294,483.44 - Step 4: Simplify right side
5,520,330.96x = 32,681,813,801,395.08 - Step 5: Solve for x
x = 32,681,813,801,395.08/5,520,330.96 - Step 6: Final answer
x = 5,920,263.48
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.