Finding the Fourth Proportional to 7,454,904.30, 11,182,356.45 and 3,675,768.30
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Solution
The fourth proportional to 7,454,904.30, 11,182,356.45 and 3,675,768.30 is: 5,513,652.45
Step by Step Solution
- Step 1: Write the proportion equation
7,454,904.30 : 11,182,356.45 = 3,675,768.30 : x - Step 2: Convert to fraction form
7,454,904.30/11,182,356.45 = 3,675,768.30/x - Step 3: Cross multiply
7,454,904.30x = 11,182,356.45 × 3,675,768.30 - Step 4: Simplify right side
7,454,904.30x = 41,103,751,358,210.53 - Step 5: Solve for x
x = 41,103,751,358,210.53/7,454,904.30 - Step 6: Final answer
x = 5,513,652.45
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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.