Finding the Fourth Proportional to 7,437,394.84, 10,263,173.70 and 4,173,904.84
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Solution
The fourth proportional to 7,437,394.84, 10,263,173.70 and 4,173,904.84 is: 5,759,746.70
Step by Step Solution
- Step 1: Write the proportion equation
7,437,394.84 : 10,263,173.70 = 4,173,904.84 : x - Step 2: Convert to fraction form
7,437,394.84/10,263,173.70 = 4,173,904.84/x - Step 3: Cross multiply
7,437,394.84x = 10,263,173.70 × 4,173,904.84 - Step 4: Simplify right side
7,437,394.84x = 42,837,510,380,190.70 - Step 5: Solve for x
x = 42,837,510,380,190.70/7,437,394.84 - Step 6: Final answer
x = 5,759,746.70
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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.