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Finding the Fourth Proportional to 8,989.02, 13,471.02 and 4,597.20

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Solution

The fourth proportional to 8,989.02, 13,471.02 and 4,597.20 is: 6,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.02 : 13,471.02 = 4,597.20 : x
  2. Step 2: Convert to fraction form
    8,989.02/13,471.02 = 4,597.20/x
  3. Step 3: Cross multiply
    8,989.02x = 13,471.02 × 4,597.20
  4. Step 4: Simplify right side
    8,989.02x = 61,928,973.14
  5. Step 5: Solve for x
    x = 61,928,973.14/8,989.02
  6. Step 6: Final answer
    x = 6,889.40

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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.