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Finding the Fourth Proportional to 55,282.92, 76,302.76 and 35,135.88

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Solution

The fourth proportional to 55,282.92, 76,302.76 and 35,135.88 is: 48,495.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.92 : 76,302.76 = 35,135.88 : x
  2. Step 2: Convert to fraction form
    55,282.92/76,302.76 = 35,135.88/x
  3. Step 3: Cross multiply
    55,282.92x = 76,302.76 × 35,135.88
  4. Step 4: Simplify right side
    55,282.92x = 2,680,964,619.03
  5. Step 5: Solve for x
    x = 2,680,964,619.03/55,282.92
  6. Step 6: Final answer
    x = 48,495.35

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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.