Finding the Fourth Proportional to 7,490,059.84, 10,346,864.16 and 5,960,209.60
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Solution
The fourth proportional to 7,490,059.84, 10,346,864.16 and 5,960,209.60 is: 8,233,509.53
Step by Step Solution
- Step 1: Write the proportion equation
7,490,059.84 : 10,346,864.16 = 5,960,209.60 : x - Step 2: Convert to fraction form
7,490,059.84/10,346,864.16 = 5,960,209.60/x - Step 3: Cross multiply
7,490,059.84x = 10,346,864.16 × 5,960,209.60 - Step 4: Simplify right side
7,490,059.84x = 61,669,479,096,327.93 - Step 5: Solve for x
x = 61,669,479,096,327.93/7,490,059.84 - Step 6: Final answer
x = 8,233,509.53
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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.