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Finding the Fourth Proportional to 11,116.02, 16,672.80 and 3,323

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Solution

The fourth proportional to 11,116.02, 16,672.80 and 3,323 is: 4,984.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.02 : 16,672.80 = 3,323 : x
  2. Step 2: Convert to fraction form
    11,116.02/16,672.80 = 3,323/x
  3. Step 3: Cross multiply
    11,116.02x = 16,672.80 × 3,323
  4. Step 4: Simplify right side
    11,116.02x = 55,403,714.40
  5. Step 5: Solve for x
    x = 55,403,714.40/11,116.02
  6. Step 6: Final answer
    x = 4,984.13

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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.