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Finding the Fourth Proportional to 8,423.67, 12,635.46 and 2,501.01

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Solution

The fourth proportional to 8,423.67, 12,635.46 and 2,501.01 is: 3,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.67 : 12,635.46 = 2,501.01 : x
  2. Step 2: Convert to fraction form
    8,423.67/12,635.46 = 2,501.01/x
  3. Step 3: Cross multiply
    8,423.67x = 12,635.46 × 2,501.01
  4. Step 4: Simplify right side
    8,423.67x = 31,601,411.81
  5. Step 5: Solve for x
    x = 31,601,411.81/8,423.67
  6. Step 6: Final answer
    x = 3,751.50

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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.