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Finding the Fourth Proportional to 48,561.64, 67,010.42 and 35,821.76

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Solution

The fourth proportional to 48,561.64, 67,010.42 and 35,821.76 is: 49,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561.64 : 67,010.42 = 35,821.76 : x
  2. Step 2: Convert to fraction form
    48,561.64/67,010.42 = 35,821.76/x
  3. Step 3: Cross multiply
    48,561.64x = 67,010.42 × 35,821.76
  4. Step 4: Simplify right side
    48,561.64x = 2,400,431,182.74
  5. Step 5: Solve for x
    x = 2,400,431,182.74/48,561.64
  6. Step 6: Final answer
    x = 49,430.60

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1.5x scale

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.