Finding the Fourth Proportional to 47,762,993.75, 65,908,377.95 and 27,921,397.95
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Solution
The fourth proportional to 47,762,993.75, 65,908,377.95 and 27,921,397.95 is: 38,528,867.32
Step by Step Solution
- Step 1: Write the proportion equation
47,762,993.75 : 65,908,377.95 = 27,921,397.95 : x - Step 2: Convert to fraction form
47,762,993.75/65,908,377.95 = 27,921,397.95/x - Step 3: Cross multiply
47,762,993.75x = 65,908,377.95 × 27,921,397.95 - Step 4: Simplify right side
47,762,993.75x = 1,840,254,048,841,348.25 - Step 5: Solve for x
x = 1,840,254,048,841,348.25/47,762,993.75 - Step 6: Final answer
x = 38,528,867.32
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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.