Finding the Fourth Proportional to 10,282,280.97, 15,423,420.51 and 4,525,014.60
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Solution
The fourth proportional to 10,282,280.97, 15,423,420.51 and 4,525,014.60 is: 6,787,521.48
Step by Step Solution
- Step 1: Write the proportion equation
10,282,280.97 : 15,423,420.51 = 4,525,014.60 : x - Step 2: Convert to fraction form
10,282,280.97/15,423,420.51 = 4,525,014.60/x - Step 3: Cross multiply
10,282,280.97x = 15,423,420.51 × 4,525,014.60 - Step 4: Simplify right side
10,282,280.97x = 69,791,202,989,689.44 - Step 5: Solve for x
x = 69,791,202,989,689.44/10,282,280.97 - Step 6: Final answer
x = 6,787,521.48
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Double scale
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Similar ratio
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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.