Finding the Fourth Proportional to 6,772,172.04, 9,345,569.32 and 4,021,124.08
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Solution
The fourth proportional to 6,772,172.04, 9,345,569.32 and 4,021,124.08 is: 5,549,134.55
Step by Step Solution
- Step 1: Write the proportion equation
6,772,172.04 : 9,345,569.32 = 4,021,124.08 : x - Step 2: Convert to fraction form
6,772,172.04/9,345,569.32 = 4,021,124.08/x - Step 3: Cross multiply
6,772,172.04x = 9,345,569.32 × 4,021,124.08 - Step 4: Simplify right side
6,772,172.04x = 37,579,693,833,961.23 - Step 5: Solve for x
x = 37,579,693,833,961.23/6,772,172.04 - Step 6: Final answer
x = 5,549,134.55
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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.