Finding the Fourth Proportional to 60,497.76, 90,746.64 and 18,948
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Solution
The fourth proportional to 60,497.76, 90,746.64 and 18,948 is: 28,422
Step by Step Solution
- Step 1: Write the proportion equation
60,497.76 : 90,746.64 = 18,948 : x - Step 2: Convert to fraction form
60,497.76/90,746.64 = 18,948/x - Step 3: Cross multiply
60,497.76x = 90,746.64 × 18,948 - Step 4: Simplify right side
60,497.76x = 1,719,467,334.72 - Step 5: Solve for x
x = 1,719,467,334.72/60,497.76 - Step 6: Final answer
x = 28,422
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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.