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Finding the Fourth Proportional to 65,460.48, 90,306.72 and 44,232

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Solution

The fourth proportional to 65,460.48, 90,306.72 and 44,232 is: 61,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,460.48 : 90,306.72 = 44,232 : x
  2. Step 2: Convert to fraction form
    65,460.48/90,306.72 = 44,232/x
  3. Step 3: Cross multiply
    65,460.48x = 90,306.72 × 44,232
  4. Step 4: Simplify right side
    65,460.48x = 3,994,446,839.04
  5. Step 5: Solve for x
    x = 3,994,446,839.04/65,460.48
  6. Step 6: Final answer
    x = 61,020.74

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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.