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Finding the Fourth Proportional to 12,550.59, 18,813.65 and 5,975.01

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Solution

The fourth proportional to 12,550.59, 18,813.65 and 5,975.01 is: 8,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.59 : 18,813.65 = 5,975.01 : x
  2. Step 2: Convert to fraction form
    12,550.59/18,813.65 = 5,975.01/x
  3. Step 3: Cross multiply
    12,550.59x = 18,813.65 × 5,975.01
  4. Step 4: Simplify right side
    12,550.59x = 112,411,717.01
  5. Step 5: Solve for x
    x = 112,411,717.01/12,550.59
  6. Step 6: Final answer
    x = 8,956.69

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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.