Finding the Fourth Proportional to 53,281,480.70, 74,669,655.70 and 53,281,480.70
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Solution
The fourth proportional to 53,281,480.70, 74,669,655.70 and 53,281,480.70 is: 74,669,655.70
Step by Step Solution
- Step 1: Write the proportion equation
53,281,480.70 : 74,669,655.70 = 53,281,480.70 : x - Step 2: Convert to fraction form
53,281,480.70/74,669,655.70 = 53,281,480.70/x - Step 3: Cross multiply
53,281,480.70x = 74,669,655.70 × 53,281,480.70 - Step 4: Simplify right side
53,281,480.70x = 3,978,509,819,055,195.50 - Step 5: Solve for x
x = 3,978,509,819,055,195.50/53,281,480.70 - Step 6: Final answer
x = 74,669,655.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.