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Finding the Fourth Proportional to 28,894.16, 39,720.84 and 24,846.16

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Solution

The fourth proportional to 28,894.16, 39,720.84 and 24,846.16 is: 34,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.16 : 39,720.84 = 24,846.16 : x
  2. Step 2: Convert to fraction form
    28,894.16/39,720.84 = 24,846.16/x
  3. Step 3: Cross multiply
    28,894.16x = 39,720.84 × 24,846.16
  4. Step 4: Simplify right side
    28,894.16x = 986,910,293.26
  5. Step 5: Solve for x
    x = 986,910,293.26/28,894.16
  6. Step 6: Final answer
    x = 34,156.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.