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Finding the Fourth Proportional to 23,130.12, 34,688 and 8,337.12

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Solution

The fourth proportional to 23,130.12, 34,688 and 8,337.12 is: 12,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.12 : 34,688 = 8,337.12 : x
  2. Step 2: Convert to fraction form
    23,130.12/34,688 = 8,337.12/x
  3. Step 3: Cross multiply
    23,130.12x = 34,688 × 8,337.12
  4. Step 4: Simplify right side
    23,130.12x = 289,198,018.56
  5. Step 5: Solve for x
    x = 289,198,018.56/23,130.12
  6. Step 6: Final answer
    x = 12,503.09

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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.