Finding the Fourth Proportional to 43,031.44, 64,547.16 and 15,310
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Solution
The fourth proportional to 43,031.44, 64,547.16 and 15,310 is: 22,965
Step by Step Solution
- Step 1: Write the proportion equation
43,031.44 : 64,547.16 = 15,310 : x - Step 2: Convert to fraction form
43,031.44/64,547.16 = 15,310/x - Step 3: Cross multiply
43,031.44x = 64,547.16 × 15,310 - Step 4: Simplify right side
43,031.44x = 988,217,019.60 - Step 5: Solve for x
x = 988,217,019.60/43,031.44 - Step 6: Final answer
x = 22,965
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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.