Finding the Fourth Proportional to 35,344,707.80, 53,017,061.70 and 18,338,595.80
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Solution
The fourth proportional to 35,344,707.80, 53,017,061.70 and 18,338,595.80 is: 27,507,893.70
Step by Step Solution
- Step 1: Write the proportion equation
35,344,707.80 : 53,017,061.70 = 18,338,595.80 : x - Step 2: Convert to fraction form
35,344,707.80/53,017,061.70 = 18,338,595.80/x - Step 3: Cross multiply
35,344,707.80x = 53,017,061.70 × 18,338,595.80 - Step 4: Simplify right side
35,344,707.80x = 972,258,465,019,961 - Step 5: Solve for x
x = 972,258,465,019,961/35,344,707.80 - Step 6: Final answer
x = 27,507,893.70
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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.