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Finding the Fourth Proportional to 32,775.68, 45,218.77 and 19,340.21

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Solution

The fourth proportional to 32,775.68, 45,218.77 and 19,340.21 is: 26,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775.68 : 45,218.77 = 19,340.21 : x
  2. Step 2: Convert to fraction form
    32,775.68/45,218.77 = 19,340.21/x
  3. Step 3: Cross multiply
    32,775.68x = 45,218.77 × 19,340.21
  4. Step 4: Simplify right side
    32,775.68x = 874,540,233.30
  5. Step 5: Solve for x
    x = 874,540,233.30/32,775.68
  6. Step 6: Final answer
    x = 26,682.60

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Double scale
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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.