Finding the Fourth Proportional to 7,544,840.88, 10,411,881.58 and 4,107,107.74
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Solution
The fourth proportional to 7,544,840.88, 10,411,881.58 and 4,107,107.74 is: 5,667,809.32
Step by Step Solution
- Step 1: Write the proportion equation
7,544,840.88 : 10,411,881.58 = 4,107,107.74 : x - Step 2: Convert to fraction form
7,544,840.88/10,411,881.58 = 4,107,107.74/x - Step 3: Cross multiply
7,544,840.88x = 10,411,881.58 × 4,107,107.74 - Step 4: Simplify right side
7,544,840.88x = 42,762,719,425,181.43 - Step 5: Solve for x
x = 42,762,719,425,181.43/7,544,840.88 - Step 6: Final answer
x = 5,667,809.32
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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.