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Finding the Fourth Proportional to 48,498.56, 66,958.76 and 33,210.69

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Solution

The fourth proportional to 48,498.56, 66,958.76 and 33,210.69 is: 45,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498.56 : 66,958.76 = 33,210.69 : x
  2. Step 2: Convert to fraction form
    48,498.56/66,958.76 = 33,210.69/x
  3. Step 3: Cross multiply
    48,498.56x = 66,958.76 × 33,210.69
  4. Step 4: Simplify right side
    48,498.56x = 2,223,746,621.14
  5. Step 5: Solve for x
    x = 2,223,746,621.14/48,498.56
  6. Step 6: Final answer
    x = 45,851.81

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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.