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Finding the Fourth Proportional to 8,895.58, 12,276.03 and 5,169.58

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Solution

The fourth proportional to 8,895.58, 12,276.03 and 5,169.58 is: 7,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.58 : 12,276.03 = 5,169.58 : x
  2. Step 2: Convert to fraction form
    8,895.58/12,276.03 = 5,169.58/x
  3. Step 3: Cross multiply
    8,895.58x = 12,276.03 × 5,169.58
  4. Step 4: Simplify right side
    8,895.58x = 63,461,919.17
  5. Step 5: Solve for x
    x = 63,461,919.17/8,895.58
  6. Step 6: Final answer
    x = 7,134.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.