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Finding the Fourth Proportional to 12,256.64, 16,803.99 and 12,035.20

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Solution

The fourth proportional to 12,256.64, 16,803.99 and 12,035.20 is: 16,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.64 : 16,803.99 = 12,035.20 : x
  2. Step 2: Convert to fraction form
    12,256.64/16,803.99 = 12,035.20/x
  3. Step 3: Cross multiply
    12,256.64x = 16,803.99 × 12,035.20
  4. Step 4: Simplify right side
    12,256.64x = 202,239,320.27
  5. Step 5: Solve for x
    x = 202,239,320.27/12,256.64
  6. Step 6: Final answer
    x = 16,500.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.