Finding the Fourth Proportional to 7,482,762.12, 10,319,325.30 and 4,903,506.12
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Solution
The fourth proportional to 7,482,762.12, 10,319,325.30 and 4,903,506.12 is: 6,762,325.72
Step by Step Solution
- Step 1: Write the proportion equation
7,482,762.12 : 10,319,325.30 = 4,903,506.12 : x - Step 2: Convert to fraction form
7,482,762.12/10,319,325.30 = 4,903,506.12/x - Step 3: Cross multiply
7,482,762.12x = 10,319,325.30 × 4,903,506.12 - Step 4: Simplify right side
7,482,762.12x = 50,600,874,762,820.84 - Step 5: Solve for x
x = 50,600,874,762,820.84/7,482,762.12 - Step 6: Final answer
x = 6,762,325.72
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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.