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Finding the Fourth Proportional to 28,644.54, 39,525.51 and 16,709.01

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Solution

The fourth proportional to 28,644.54, 39,525.51 and 16,709.01 is: 23,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,644.54 : 39,525.51 = 16,709.01 : x
  2. Step 2: Convert to fraction form
    28,644.54/39,525.51 = 16,709.01/x
  3. Step 3: Cross multiply
    28,644.54x = 39,525.51 × 16,709.01
  4. Step 4: Simplify right side
    28,644.54x = 660,432,141.85
  5. Step 5: Solve for x
    x = 660,432,141.85/28,644.54
  6. Step 6: Final answer
    x = 23,056.13

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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.