Finding the Fourth Proportional to 38,671,584.37, 53,507,311.80 and 33,720,349.41
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Solution
The fourth proportional to 38,671,584.37, 53,507,311.80 and 33,720,349.41 is: 46,656,615.68
Step by Step Solution
- Step 1: Write the proportion equation
38,671,584.37 : 53,507,311.80 = 33,720,349.41 : x - Step 2: Convert to fraction form
38,671,584.37/53,507,311.80 = 33,720,349.41/x - Step 3: Cross multiply
38,671,584.37x = 53,507,311.80 × 33,720,349.41 - Step 4: Simplify right side
38,671,584.37x = 1,804,285,249,759,364.50 - Step 5: Solve for x
x = 1,804,285,249,759,364.50/38,671,584.37 - Step 6: Final answer
x = 46,656,615.68
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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.