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Finding the Fourth Proportional to 21,642.03, 32,460.21 and 6,851.03

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Solution

The fourth proportional to 21,642.03, 32,460.21 and 6,851.03 is: 10,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.03 : 32,460.21 = 6,851.03 : x
  2. Step 2: Convert to fraction form
    21,642.03/32,460.21 = 6,851.03/x
  3. Step 3: Cross multiply
    21,642.03x = 32,460.21 × 6,851.03
  4. Step 4: Simplify right side
    21,642.03x = 222,385,710.22
  5. Step 5: Solve for x
    x = 222,385,710.22/21,642.03
  6. Step 6: Final answer
    x = 10,275.64

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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.