Finding the Fourth Proportional to 83,652.04, 115,438.36 and 45,926.02
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Solution
The fourth proportional to 83,652.04, 115,438.36 and 45,926.02 is: 63,377.11
Step by Step Solution
- Step 1: Write the proportion equation
83,652.04 : 115,438.36 = 45,926.02 : x - Step 2: Convert to fraction form
83,652.04/115,438.36 = 45,926.02/x - Step 3: Cross multiply
83,652.04x = 115,438.36 × 45,926.02 - Step 4: Simplify right side
83,652.04x = 5,301,624,430.13 - Step 5: Solve for x
x = 5,301,624,430.13/83,652.04 - Step 6: Final answer
x = 63,377.11
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1.5x scale
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.