Finding the Fourth Proportional to 26,292,845.57, 39,438,085.05 and 17,660,583.05
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Solution
The fourth proportional to 26,292,845.57, 39,438,085.05 and 17,660,583.05 is: 26,490,079.76
Step by Step Solution
- Step 1: Write the proportion equation
26,292,845.57 : 39,438,085.05 = 17,660,583.05 : x - Step 2: Convert to fraction form
26,292,845.57/39,438,085.05 = 17,660,583.05/x - Step 3: Cross multiply
26,292,845.57x = 39,438,085.05 × 17,660,583.05 - Step 4: Simplify right side
26,292,845.57x = 696,499,576,161,298 - Step 5: Solve for x
x = 696,499,576,161,298/26,292,845.57 - Step 6: Final answer
x = 26,490,079.76
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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.