Finding the Fourth Proportional to 26,777.28, 36,929.43 and 19,272.99
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Solution
The fourth proportional to 26,777.28, 36,929.43 and 19,272.99 is: 26,580.02
Step by Step Solution
- Step 1: Write the proportion equation
26,777.28 : 36,929.43 = 19,272.99 : x - Step 2: Convert to fraction form
26,777.28/36,929.43 = 19,272.99/x - Step 3: Cross multiply
26,777.28x = 36,929.43 × 19,272.99 - Step 4: Simplify right side
26,777.28x = 711,740,535.10 - Step 5: Solve for x
x = 711,740,535.10/26,777.28 - Step 6: Final answer
x = 26,580.02
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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.