Finding the Fourth Proportional to 7,352,272.64, 11,018,319.77 and 4,651,763.52
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Solution
The fourth proportional to 7,352,272.64, 11,018,319.77 and 4,651,763.52 is: 6,971,261.88
Step by Step Solution
- Step 1: Write the proportion equation
7,352,272.64 : 11,018,319.77 = 4,651,763.52 : x - Step 2: Convert to fraction form
7,352,272.64/11,018,319.77 = 4,651,763.52/x - Step 3: Cross multiply
7,352,272.64x = 11,018,319.77 × 4,651,763.52 - Step 4: Simplify right side
7,352,272.64x = 51,254,617,934,521.97 - Step 5: Solve for x
x = 51,254,617,934,521.97/7,352,272.64 - Step 6: Final answer
x = 6,971,261.88
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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.