Finding the Fourth Proportional to 7,282,058.60, 10,925,712.30 and 3,025,281.80
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Solution
The fourth proportional to 7,282,058.60, 10,925,712.30 and 3,025,281.80 is: 4,539,012.99
Step by Step Solution
- Step 1: Write the proportion equation
7,282,058.60 : 10,925,712.30 = 3,025,281.80 : x - Step 2: Convert to fraction form
7,282,058.60/10,925,712.30 = 3,025,281.80/x - Step 3: Cross multiply
7,282,058.60x = 10,925,712.30 × 3,025,281.80 - Step 4: Simplify right side
7,282,058.60x = 33,053,358,573,226.14 - Step 5: Solve for x
x = 33,053,358,573,226.14/7,282,058.60 - Step 6: Final answer
x = 4,539,012.99
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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.