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Finding the Fourth Proportional to 8,989.34, 13,483.01 and 2,415.02

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Solution

The fourth proportional to 8,989.34, 13,483.01 and 2,415.02 is: 3,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.34 : 13,483.01 = 2,415.02 : x
  2. Step 2: Convert to fraction form
    8,989.34/13,483.01 = 2,415.02/x
  3. Step 3: Cross multiply
    8,989.34x = 13,483.01 × 2,415.02
  4. Step 4: Simplify right side
    8,989.34x = 32,561,677.43
  5. Step 5: Solve for x
    x = 32,561,677.43/8,989.34
  6. Step 6: Final answer
    x = 3,622.26

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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.