Finding the Fourth Proportional to 35,463,350.10, 53,195,025.15 and 12,746,543.70
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Solution
The fourth proportional to 35,463,350.10, 53,195,025.15 and 12,746,543.70 is: 19,119,815.55
Step by Step Solution
- Step 1: Write the proportion equation
35,463,350.10 : 53,195,025.15 = 12,746,543.70 : x - Step 2: Convert to fraction form
35,463,350.10/53,195,025.15 = 12,746,543.70/x - Step 3: Cross multiply
35,463,350.10x = 53,195,025.15 × 12,746,543.70 - Step 4: Simplify right side
35,463,350.10x = 678,052,712,697,074 - Step 5: Solve for x
x = 678,052,712,697,074/35,463,350.10 - Step 6: Final answer
x = 19,119,815.55
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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.