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Finding the Fourth Proportional to 48,484.71, 66,870.94 and 33,180.32

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Solution

The fourth proportional to 48,484.71, 66,870.94 and 33,180.32 is: 45,762.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,484.71 : 66,870.94 = 33,180.32 : x
  2. Step 2: Convert to fraction form
    48,484.71/66,870.94 = 33,180.32/x
  3. Step 3: Cross multiply
    48,484.71x = 66,870.94 × 33,180.32
  4. Step 4: Simplify right side
    48,484.71x = 2,218,799,333.62
  5. Step 5: Solve for x
    x = 2,218,799,333.62/48,484.71
  6. Step 6: Final answer
    x = 45,762.87

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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.