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Finding the Fourth Proportional to 21,689.58, 32,536.54 and 5,894.84

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Solution

The fourth proportional to 21,689.58, 32,536.54 and 5,894.84 is: 8,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.58 : 32,536.54 = 5,894.84 : x
  2. Step 2: Convert to fraction form
    21,689.58/32,536.54 = 5,894.84/x
  3. Step 3: Cross multiply
    21,689.58x = 32,536.54 × 5,894.84
  4. Step 4: Simplify right side
    21,689.58x = 191,797,697.45
  5. Step 5: Solve for x
    x = 191,797,697.45/21,689.58
  6. Step 6: Final answer
    x = 8,842.85

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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.