Finding the Fourth Proportional to 74,303.48, 111,477.12 and 27,545.48
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Solution
The fourth proportional to 74,303.48, 111,477.12 and 27,545.48 is: 41,326.34
Step by Step Solution
- Step 1: Write the proportion equation
74,303.48 : 111,477.12 = 27,545.48 : x - Step 2: Convert to fraction form
74,303.48/111,477.12 = 27,545.48/x - Step 3: Cross multiply
74,303.48x = 111,477.12 × 27,545.48 - Step 4: Simplify right side
74,303.48x = 3,070,690,779.42 - Step 5: Solve for x
x = 3,070,690,779.42/74,303.48 - Step 6: Final answer
x = 41,326.34
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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.