Finding the Fourth Proportional to 39,101,900.76, 53,961,860.52 and 22,581,726.48
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Solution
The fourth proportional to 39,101,900.76, 53,961,860.52 and 22,581,726.48 is: 31,163,497.19
Step by Step Solution
- Step 1: Write the proportion equation
39,101,900.76 : 53,961,860.52 = 22,581,726.48 : x - Step 2: Convert to fraction form
39,101,900.76/53,961,860.52 = 22,581,726.48/x - Step 3: Cross multiply
39,101,900.76x = 53,961,860.52 × 22,581,726.48 - Step 4: Simplify right side
39,101,900.76x = 1,218,551,974,614,550.75 - Step 5: Solve for x
x = 1,218,551,974,614,550.75/39,101,900.76 - Step 6: Final answer
x = 31,163,497.19
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Double scale
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.