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Finding the Fourth Proportional to 8,633.52, 12,950.91 and 3,698.19

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Solution

The fourth proportional to 8,633.52, 12,950.91 and 3,698.19 is: 5,547.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.52 : 12,950.91 = 3,698.19 : x
  2. Step 2: Convert to fraction form
    8,633.52/12,950.91 = 3,698.19/x
  3. Step 3: Cross multiply
    8,633.52x = 12,950.91 × 3,698.19
  4. Step 4: Simplify right side
    8,633.52x = 47,894,925.85
  5. Step 5: Solve for x
    x = 47,894,925.85/8,633.52
  6. Step 6: Final answer
    x = 5,547.55

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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.