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Finding the Fourth Proportional to 28,599.58, 42,883.77 and 8,606.15

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Solution

The fourth proportional to 28,599.58, 42,883.77 and 8,606.15 is: 12,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,599.58 : 42,883.77 = 8,606.15 : x
  2. Step 2: Convert to fraction form
    28,599.58/42,883.77 = 8,606.15/x
  3. Step 3: Cross multiply
    28,599.58x = 42,883.77 × 8,606.15
  4. Step 4: Simplify right side
    28,599.58x = 369,063,942.77
  5. Step 5: Solve for x
    x = 369,063,942.77/28,599.58
  6. Step 6: Final answer
    x = 12,904.53

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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.