Finding the Fourth Proportional to 40,521.68, 60,788.58 and 14,221.80
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Solution
The fourth proportional to 40,521.68, 60,788.58 and 14,221.80 is: 21,334.83
Step by Step Solution
- Step 1: Write the proportion equation
40,521.68 : 60,788.58 = 14,221.80 : x - Step 2: Convert to fraction form
40,521.68/60,788.58 = 14,221.80/x - Step 3: Cross multiply
40,521.68x = 60,788.58 × 14,221.80 - Step 4: Simplify right side
40,521.68x = 864,523,027.04 - Step 5: Solve for x
x = 864,523,027.04/40,521.68 - Step 6: Final answer
x = 21,334.83
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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.