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Finding the Fourth Proportional to 8,952.04, 12,355.38 and 8,558.44

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Solution

The fourth proportional to 8,952.04, 12,355.38 and 8,558.44 is: 11,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.04 : 12,355.38 = 8,558.44 : x
  2. Step 2: Convert to fraction form
    8,952.04/12,355.38 = 8,558.44/x
  3. Step 3: Cross multiply
    8,952.04x = 12,355.38 × 8,558.44
  4. Step 4: Simplify right side
    8,952.04x = 105,742,778.41
  5. Step 5: Solve for x
    x = 105,742,778.41/8,952.04
  6. Step 6: Final answer
    x = 11,812.14

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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.