Finding the Fourth Proportional to 98,248.24, 135,582.54 and 53,536.24
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Solution
The fourth proportional to 98,248.24, 135,582.54 and 53,536.24 is: 73,879.99
Step by Step Solution
- Step 1: Write the proportion equation
98,248.24 : 135,582.54 = 53,536.24 : x - Step 2: Convert to fraction form
98,248.24/135,582.54 = 53,536.24/x - Step 3: Cross multiply
98,248.24x = 135,582.54 × 53,536.24 - Step 4: Simplify right side
98,248.24x = 7,258,578,723.34 - Step 5: Solve for x
x = 7,258,578,723.34/98,248.24 - Step 6: Final answer
x = 73,879.99
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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.