Finding the Fourth Proportional to 14,365,497.60, 21,548,246.40 and 14,365,497.60
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Solution
The fourth proportional to 14,365,497.60, 21,548,246.40 and 14,365,497.60 is: 21,548,246.40
Step by Step Solution
- Step 1: Write the proportion equation
14,365,497.60 : 21,548,246.40 = 14,365,497.60 : x - Step 2: Convert to fraction form
14,365,497.60/21,548,246.40 = 14,365,497.60/x - Step 3: Cross multiply
14,365,497.60x = 21,548,246.40 × 14,365,497.60 - Step 4: Simplify right side
14,365,497.60x = 309,551,281,943,408.62 - Step 5: Solve for x
x = 309,551,281,943,408.62/14,365,497.60 - Step 6: Final answer
x = 21,548,246.40
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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.