Finding the Fourth Proportional to 26,657,247.80, 39,985,871.70 and 26,657,247.80
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Solution
The fourth proportional to 26,657,247.80, 39,985,871.70 and 26,657,247.80 is: 39,985,871.70
Step by Step Solution
- Step 1: Write the proportion equation
26,657,247.80 : 39,985,871.70 = 26,657,247.80 : x - Step 2: Convert to fraction form
26,657,247.80/39,985,871.70 = 26,657,247.80/x - Step 3: Cross multiply
26,657,247.80x = 39,985,871.70 × 26,657,247.80 - Step 4: Simplify right side
26,657,247.80x = 1,065,913,290,405,907.38 - Step 5: Solve for x
x = 1,065,913,290,405,907.38/26,657,247.80 - Step 6: Final answer
x = 39,985,871.70
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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.