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Finding the Fourth Proportional to 16,391.61, 24,587.43 and 7,025.55

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Solution

The fourth proportional to 16,391.61, 24,587.43 and 7,025.55 is: 10,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.61 : 24,587.43 = 7,025.55 : x
  2. Step 2: Convert to fraction form
    16,391.61/24,587.43 = 7,025.55/x
  3. Step 3: Cross multiply
    16,391.61x = 24,587.43 × 7,025.55
  4. Step 4: Simplify right side
    16,391.61x = 172,740,218.84
  5. Step 5: Solve for x
    x = 172,740,218.84/16,391.61
  6. Step 6: Final answer
    x = 10,538.33

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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.