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Finding the Fourth Proportional to 29,492.64, 40,698.36 and 16,745.64

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Solution

The fourth proportional to 29,492.64, 40,698.36 and 16,745.64 is: 23,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,492.64 : 40,698.36 = 16,745.64 : x
  2. Step 2: Convert to fraction form
    29,492.64/40,698.36 = 16,745.64/x
  3. Step 3: Cross multiply
    29,492.64x = 40,698.36 × 16,745.64
  4. Step 4: Simplify right side
    29,492.64x = 681,520,085.15
  5. Step 5: Solve for x
    x = 681,520,085.15/29,492.64
  6. Step 6: Final answer
    x = 23,108.14

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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.