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Finding the Fourth Proportional to 8,934.58, 13,482.95 and 8,636.81

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Solution

The fourth proportional to 8,934.58, 13,482.95 and 8,636.81 is: 13,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.58 : 13,482.95 = 8,636.81 : x
  2. Step 2: Convert to fraction form
    8,934.58/13,482.95 = 8,636.81/x
  3. Step 3: Cross multiply
    8,934.58x = 13,482.95 × 8,636.81
  4. Step 4: Simplify right side
    8,934.58x = 116,449,677.39
  5. Step 5: Solve for x
    x = 116,449,677.39/8,934.58
  6. Step 6: Final answer
    x = 13,033.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.