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Finding the Fourth Proportional to 12,004.64, 16,568.88 and 7,752.68

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Solution

The fourth proportional to 12,004.64, 16,568.88 and 7,752.68 is: 10,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004.64 : 16,568.88 = 7,752.68 : x
  2. Step 2: Convert to fraction form
    12,004.64/16,568.88 = 7,752.68/x
  3. Step 3: Cross multiply
    12,004.64x = 16,568.88 × 7,752.68
  4. Step 4: Simplify right side
    12,004.64x = 128,453,224.60
  5. Step 5: Solve for x
    x = 128,453,224.60/12,004.64
  6. Step 6: Final answer
    x = 10,700.30

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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.