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Finding the Fourth Proportional to 61,262.80, 91,894.20 and 60,744.40

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Solution

The fourth proportional to 61,262.80, 91,894.20 and 60,744.40 is: 91,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,262.80 : 91,894.20 = 60,744.40 : x
  2. Step 2: Convert to fraction form
    61,262.80/91,894.20 = 60,744.40/x
  3. Step 3: Cross multiply
    61,262.80x = 91,894.20 × 60,744.40
  4. Step 4: Simplify right side
    61,262.80x = 5,582,058,042.48
  5. Step 5: Solve for x
    x = 5,582,058,042.48/61,262.80
  6. Step 6: Final answer
    x = 91,116.60

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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.