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Finding the Fourth Proportional to 32,857.28, 45,343.02 and 17,953.28

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Solution

The fourth proportional to 32,857.28, 45,343.02 and 17,953.28 is: 24,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.28 : 45,343.02 = 17,953.28 : x
  2. Step 2: Convert to fraction form
    32,857.28/45,343.02 = 17,953.28/x
  3. Step 3: Cross multiply
    32,857.28x = 45,343.02 × 17,953.28
  4. Step 4: Simplify right side
    32,857.28x = 814,055,934.11
  5. Step 5: Solve for x
    x = 814,055,934.11/32,857.28
  6. Step 6: Final answer
    x = 24,775.51

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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.