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Finding the Fourth Proportional to 14,800.04, 20,424.10 and 8,512

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Solution

The fourth proportional to 14,800.04, 20,424.10 and 8,512 is: 11,746.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,800.04 : 20,424.10 = 8,512 : x
  2. Step 2: Convert to fraction form
    14,800.04/20,424.10 = 8,512/x
  3. Step 3: Cross multiply
    14,800.04x = 20,424.10 × 8,512
  4. Step 4: Simplify right side
    14,800.04x = 173,849,939.20
  5. Step 5: Solve for x
    x = 173,849,939.20/14,800.04
  6. Step 6: Final answer
    x = 11,746.59

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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.