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Finding the Fourth Proportional to 5,928.76, 8,938.15 and 5,611.24

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Solution

The fourth proportional to 5,928.76, 8,938.15 and 5,611.24 is: 8,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,928.76 : 8,938.15 = 5,611.24 : x
  2. Step 2: Convert to fraction form
    5,928.76/8,938.15 = 5,611.24/x
  3. Step 3: Cross multiply
    5,928.76x = 8,938.15 × 5,611.24
  4. Step 4: Simplify right side
    5,928.76x = 50,154,104.81
  5. Step 5: Solve for x
    x = 50,154,104.81/5,928.76
  6. Step 6: Final answer
    x = 8,459.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.