Finding the Fourth Proportional to 5,972,428.99, 8,223,075.08 and 5,426,936.19
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Solution
The fourth proportional to 5,972,428.99, 8,223,075.08 and 5,426,936.19 is: 7,472,019.14
Step by Step Solution
- Step 1: Write the proportion equation
5,972,428.99 : 8,223,075.08 = 5,426,936.19 : x - Step 2: Convert to fraction form
5,972,428.99/8,223,075.08 = 5,426,936.19/x - Step 3: Cross multiply
5,972,428.99x = 8,223,075.08 × 5,426,936.19 - Step 4: Simplify right side
5,972,428.99x = 44,626,103,737,955.48 - Step 5: Solve for x
x = 44,626,103,737,955.48/5,972,428.99 - Step 6: Final answer
x = 7,472,019.14
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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.