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Finding the Fourth Proportional to 8,157.33, 11,256.48 and 4,621.10

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Solution

The fourth proportional to 8,157.33, 11,256.48 and 4,621.10 is: 6,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.33 : 11,256.48 = 4,621.10 : x
  2. Step 2: Convert to fraction form
    8,157.33/11,256.48 = 4,621.10/x
  3. Step 3: Cross multiply
    8,157.33x = 11,256.48 × 4,621.10
  4. Step 4: Simplify right side
    8,157.33x = 52,017,263.45
  5. Step 5: Solve for x
    x = 52,017,263.45/8,157.33
  6. Step 6: Final answer
    x = 6,376.75

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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.