Finding the Fourth Proportional to 7,592,904.12, 10,478,188.44 and 4,155,115.08
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Solution
The fourth proportional to 7,592,904.12, 10,478,188.44 and 4,155,115.08 is: 5,734,048.28
Step by Step Solution
- Step 1: Write the proportion equation
7,592,904.12 : 10,478,188.44 = 4,155,115.08 : x - Step 2: Convert to fraction form
7,592,904.12/10,478,188.44 = 4,155,115.08/x - Step 3: Cross multiply
7,592,904.12x = 10,478,188.44 × 4,155,115.08 - Step 4: Simplify right side
7,592,904.12x = 43,538,078,798,125.67 - Step 5: Solve for x
x = 43,538,078,798,125.67/7,592,904.12 - Step 6: Final answer
x = 5,734,048.28
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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.