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Finding the Fourth Proportional to 88,536.38, 132,830.51 and 28,563.63

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Solution

The fourth proportional to 88,536.38, 132,830.51 and 28,563.63 is: 42,853.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,536.38 : 132,830.51 = 28,563.63 : x
  2. Step 2: Convert to fraction form
    88,536.38/132,830.51 = 28,563.63/x
  3. Step 3: Cross multiply
    88,536.38x = 132,830.51 × 28,563.63
  4. Step 4: Simplify right side
    88,536.38x = 3,794,121,397.53
  5. Step 5: Solve for x
    x = 3,794,121,397.53/88,536.38
  6. Step 6: Final answer
    x = 42,853.81

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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.