Finding the Fourth Proportional to 42,641.56, 63,962.34 and 11,476
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Solution
The fourth proportional to 42,641.56, 63,962.34 and 11,476 is: 17,214
Step by Step Solution
- Step 1: Write the proportion equation
42,641.56 : 63,962.34 = 11,476 : x - Step 2: Convert to fraction form
42,641.56/63,962.34 = 11,476/x - Step 3: Cross multiply
42,641.56x = 63,962.34 × 11,476 - Step 4: Simplify right side
42,641.56x = 734,031,813.84 - Step 5: Solve for x
x = 734,031,813.84/42,641.56 - Step 6: Final answer
x = 17,214
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.