Finding the Fourth Proportional to 7,567,379.04, 10,425,239.28 and 5,271,385.44
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Solution
The fourth proportional to 7,567,379.04, 10,425,239.28 and 5,271,385.44 is: 7,262,151.70
Step by Step Solution
- Step 1: Write the proportion equation
7,567,379.04 : 10,425,239.28 = 5,271,385.44 : x - Step 2: Convert to fraction form
7,567,379.04/10,425,239.28 = 5,271,385.44/x - Step 3: Cross multiply
7,567,379.04x = 10,425,239.28 × 5,271,385.44 - Step 4: Simplify right side
7,567,379.04x = 54,955,454,549,108.09 - Step 5: Solve for x
x = 54,955,454,549,108.09/7,567,379.04 - Step 6: Final answer
x = 7,262,151.70
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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.