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Finding the Fourth Proportional to 8,624.86, 12,955.71 and 6,175.42

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Solution

The fourth proportional to 8,624.86, 12,955.71 and 6,175.42 is: 9,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,624.86 : 12,955.71 = 6,175.42 : x
  2. Step 2: Convert to fraction form
    8,624.86/12,955.71 = 6,175.42/x
  3. Step 3: Cross multiply
    8,624.86x = 12,955.71 × 6,175.42
  4. Step 4: Simplify right side
    8,624.86x = 80,006,950.65
  5. Step 5: Solve for x
    x = 80,006,950.65/8,624.86
  6. Step 6: Final answer
    x = 9,276.32

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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.