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Finding the Fourth Proportional to 35,540.64, 53,311.16 and 14,764.16

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Solution

The fourth proportional to 35,540.64, 53,311.16 and 14,764.16 is: 22,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.64 : 53,311.16 = 14,764.16 : x
  2. Step 2: Convert to fraction form
    35,540.64/53,311.16 = 14,764.16/x
  3. Step 3: Cross multiply
    35,540.64x = 53,311.16 × 14,764.16
  4. Step 4: Simplify right side
    35,540.64x = 787,094,496.03
  5. Step 5: Solve for x
    x = 787,094,496.03/35,540.64
  6. Step 6: Final answer
    x = 22,146.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.