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Finding the Fourth Proportional to 23,602.45, 35,408.88 and 7,812.40

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Solution

The fourth proportional to 23,602.45, 35,408.88 and 7,812.40 is: 11,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.45 : 35,408.88 = 7,812.40 : x
  2. Step 2: Convert to fraction form
    23,602.45/35,408.88 = 7,812.40/x
  3. Step 3: Cross multiply
    23,602.45x = 35,408.88 × 7,812.40
  4. Step 4: Simplify right side
    23,602.45x = 276,628,334.11
  5. Step 5: Solve for x
    x = 276,628,334.11/23,602.45
  6. Step 6: Final answer
    x = 11,720.32

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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.