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Finding the Fourth Proportional to 23,888.50, 32,965.28 and 13,133.29

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Solution

The fourth proportional to 23,888.50, 32,965.28 and 13,133.29 is: 18,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,888.50 : 32,965.28 = 13,133.29 : x
  2. Step 2: Convert to fraction form
    23,888.50/32,965.28 = 13,133.29/x
  3. Step 3: Cross multiply
    23,888.50x = 32,965.28 × 13,133.29
  4. Step 4: Simplify right side
    23,888.50x = 432,942,582.17
  5. Step 5: Solve for x
    x = 432,942,582.17/23,888.50
  6. Step 6: Final answer
    x = 18,123.48

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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.