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Finding the Fourth Proportional to 23,937.81, 35,923.14 and 8,355.45

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Solution

The fourth proportional to 23,937.81, 35,923.14 and 8,355.45 is: 12,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,937.81 : 35,923.14 = 8,355.45 : x
  2. Step 2: Convert to fraction form
    23,937.81/35,923.14 = 8,355.45/x
  3. Step 3: Cross multiply
    23,937.81x = 35,923.14 × 8,355.45
  4. Step 4: Simplify right side
    23,937.81x = 300,154,000.11
  5. Step 5: Solve for x
    x = 300,154,000.11/23,937.81
  6. Step 6: Final answer
    x = 12,538.91

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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.