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Finding the Fourth Proportional to 5,917.32, 8,860.84 and 5,742.16

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Solution

The fourth proportional to 5,917.32, 8,860.84 and 5,742.16 is: 8,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.32 : 8,860.84 = 5,742.16 : x
  2. Step 2: Convert to fraction form
    5,917.32/8,860.84 = 5,742.16/x
  3. Step 3: Cross multiply
    5,917.32x = 8,860.84 × 5,742.16
  4. Step 4: Simplify right side
    5,917.32x = 50,880,361.01
  5. Step 5: Solve for x
    x = 50,880,361.01/5,917.32
  6. Step 6: Final answer
    x = 8,598.55

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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.