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Finding the Fourth Proportional to 5,961.64, 8,931.72 and 5,610.32

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Solution

The fourth proportional to 5,961.64, 8,931.72 and 5,610.32 is: 8,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,961.64 : 8,931.72 = 5,610.32 : x
  2. Step 2: Convert to fraction form
    5,961.64/8,931.72 = 5,610.32/x
  3. Step 3: Cross multiply
    5,961.64x = 8,931.72 × 5,610.32
  4. Step 4: Simplify right side
    5,961.64x = 50,109,807.35
  5. Step 5: Solve for x
    x = 50,109,807.35/5,961.64
  6. Step 6: Final answer
    x = 8,405.37

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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.