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Finding the Fourth Proportional to 45,700.92, 68,536.71 and 14,528.88

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Solution

The fourth proportional to 45,700.92, 68,536.71 and 14,528.88 is: 21,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,700.92 : 68,536.71 = 14,528.88 : x
  2. Step 2: Convert to fraction form
    45,700.92/68,536.71 = 14,528.88/x
  3. Step 3: Cross multiply
    45,700.92x = 68,536.71 × 14,528.88
  4. Step 4: Simplify right side
    45,700.92x = 995,761,635.18
  5. Step 5: Solve for x
    x = 995,761,635.18/45,700.92
  6. Step 6: Final answer
    x = 21,788.66

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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.