Finding the Fourth Proportional to 7,660,483.62, 10,571,381.34 and 4,175,746.08
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Solution
The fourth proportional to 7,660,483.62, 10,571,381.34 and 4,175,746.08 is: 5,762,482.68
Step by Step Solution
- Step 1: Write the proportion equation
7,660,483.62 : 10,571,381.34 = 4,175,746.08 : x - Step 2: Convert to fraction form
7,660,483.62/10,571,381.34 = 4,175,746.08/x - Step 3: Cross multiply
7,660,483.62x = 10,571,381.34 × 4,175,746.08 - Step 4: Simplify right side
7,660,483.62x = 44,143,404,190,690.15 - Step 5: Solve for x
x = 44,143,404,190,690.15/7,660,483.62 - Step 6: Final answer
x = 5,762,482.68
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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.