Finding the Fourth Proportional to 5,069,475.47, 7,576,381.06 and 3,706,119.28
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Solution
The fourth proportional to 5,069,475.47, 7,576,381.06 and 3,706,119.28 is: 5,538,831.79
Step by Step Solution
- Step 1: Write the proportion equation
5,069,475.47 : 7,576,381.06 = 3,706,119.28 : x - Step 2: Convert to fraction form
5,069,475.47/7,576,381.06 = 3,706,119.28/x - Step 3: Cross multiply
5,069,475.47x = 7,576,381.06 × 3,706,119.28 - Step 4: Simplify right side
5,069,475.47x = 28,078,971,900,562.24 - Step 5: Solve for x
x = 28,078,971,900,562.24/5,069,475.47 - Step 6: Final answer
x = 5,538,831.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.