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Finding the Fourth Proportional to 60,755.46, 91,146.54 and 18,641.34

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Solution

The fourth proportional to 60,755.46, 91,146.54 and 18,641.34 is: 27,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.46 : 91,146.54 = 18,641.34 : x
  2. Step 2: Convert to fraction form
    60,755.46/91,146.54 = 18,641.34/x
  3. Step 3: Cross multiply
    60,755.46x = 91,146.54 × 18,641.34
  4. Step 4: Simplify right side
    60,755.46x = 1,699,093,641.96
  5. Step 5: Solve for x
    x = 1,699,093,641.96/60,755.46
  6. Step 6: Final answer
    x = 27,966.11

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1.5x scale

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.