Finding the Fourth Proportional to 7,564,132.08, 11,287,202.34 and 6,748,912.68
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Solution
The fourth proportional to 7,564,132.08, 11,287,202.34 and 6,748,912.68 is: 10,070,731.47
Step by Step Solution
- Step 1: Write the proportion equation
7,564,132.08 : 11,287,202.34 = 6,748,912.68 : x - Step 2: Convert to fraction form
7,564,132.08/11,287,202.34 = 6,748,912.68/x - Step 3: Cross multiply
7,564,132.08x = 11,287,202.34 × 6,748,912.68 - Step 4: Simplify right side
7,564,132.08x = 76,176,342,994,151.67 - Step 5: Solve for x
x = 76,176,342,994,151.67/7,564,132.08 - Step 6: Final answer
x = 10,070,731.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.