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Finding the Fourth Proportional to 8,632.59, 12,949.16 and 2,392.07

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Solution

The fourth proportional to 8,632.59, 12,949.16 and 2,392.07 is: 3,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.59 : 12,949.16 = 2,392.07 : x
  2. Step 2: Convert to fraction form
    8,632.59/12,949.16 = 2,392.07/x
  3. Step 3: Cross multiply
    8,632.59x = 12,949.16 × 2,392.07
  4. Step 4: Simplify right side
    8,632.59x = 30,975,220.46
  5. Step 5: Solve for x
    x = 30,975,220.46/8,632.59
  6. Step 6: Final answer
    x = 3,588.17

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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.