Finding the Fourth Proportional to 5,514,962.80, 8,272,444.20 and 4,927,097.20
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Solution
The fourth proportional to 5,514,962.80, 8,272,444.20 and 4,927,097.20 is: 7,390,645.80
Step by Step Solution
- Step 1: Write the proportion equation
5,514,962.80 : 8,272,444.20 = 4,927,097.20 : x - Step 2: Convert to fraction form
5,514,962.80/8,272,444.20 = 4,927,097.20/x - Step 3: Cross multiply
5,514,962.80x = 8,272,444.20 × 4,927,097.20 - Step 4: Simplify right side
5,514,962.80x = 40,759,136,654,976.24 - Step 5: Solve for x
x = 40,759,136,654,976.24/5,514,962.80 - Step 6: Final answer
x = 7,390,645.80
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1.5x scale
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.