Finding the Fourth Proportional to 7,563,641.25, 11,345,560.59 and 2,514,951.75
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Solution
The fourth proportional to 7,563,641.25, 11,345,560.59 and 2,514,951.75 is: 3,772,460.45
Step by Step Solution
- Step 1: Write the proportion equation
7,563,641.25 : 11,345,560.59 = 2,514,951.75 : x - Step 2: Convert to fraction form
7,563,641.25/11,345,560.59 = 2,514,951.75/x - Step 3: Cross multiply
7,563,641.25x = 11,345,560.59 × 2,514,951.75 - Step 4: Simplify right side
7,563,641.25x = 28,533,537,460,551.53 - Step 5: Solve for x
x = 28,533,537,460,551.53/7,563,641.25 - Step 6: Final answer
x = 3,772,460.45
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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.