Finding the Fourth Proportional to 30,528,032.80, 42,852,620 and 30,528,032.80
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Solution
The fourth proportional to 30,528,032.80, 42,852,620 and 30,528,032.80 is: 42,852,620
Step by Step Solution
- Step 1: Write the proportion equation
30,528,032.80 : 42,852,620 = 30,528,032.80 : x - Step 2: Convert to fraction form
30,528,032.80/42,852,620 = 30,528,032.80/x - Step 3: Cross multiply
30,528,032.80x = 42,852,620 × 30,528,032.80 - Step 4: Simplify right side
30,528,032.80x = 1,308,206,188,925,936 - Step 5: Solve for x
x = 1,308,206,188,925,936/30,528,032.80 - Step 6: Final answer
x = 42,852,620
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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.