Finding the Fourth Proportional to 7,050,823.68, 9,730,137.60 and 3,831,552
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Solution
The fourth proportional to 7,050,823.68, 9,730,137.60 and 3,831,552 is: 5,287,542.26
Step by Step Solution
- Step 1: Write the proportion equation
7,050,823.68 : 9,730,137.60 = 3,831,552 : x - Step 2: Convert to fraction form
7,050,823.68/9,730,137.60 = 3,831,552/x - Step 3: Cross multiply
7,050,823.68x = 9,730,137.60 × 3,831,552 - Step 4: Simplify right side
7,050,823.68x = 37,281,528,181,555.20 - Step 5: Solve for x
x = 37,281,528,181,555.20/7,050,823.68 - Step 6: Final answer
x = 5,287,542.26
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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.