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Finding the Fourth Proportional to 16,425.18, 24,639.13 and 7,065.42

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Solution

The fourth proportional to 16,425.18, 24,639.13 and 7,065.42 is: 10,598.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.18 : 24,639.13 = 7,065.42 : x
  2. Step 2: Convert to fraction form
    16,425.18/24,639.13 = 7,065.42/x
  3. Step 3: Cross multiply
    16,425.18x = 24,639.13 × 7,065.42
  4. Step 4: Simplify right side
    16,425.18x = 174,085,801.88
  5. Step 5: Solve for x
    x = 174,085,801.88/16,425.18
  6. Step 6: Final answer
    x = 10,598.72

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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.