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Finding the Fourth Proportional to 8,417.68, 12,626.48 and 4,516.72

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Solution

The fourth proportional to 8,417.68, 12,626.48 and 4,516.72 is: 6,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.68 : 12,626.48 = 4,516.72 : x
  2. Step 2: Convert to fraction form
    8,417.68/12,626.48 = 4,516.72/x
  3. Step 3: Cross multiply
    8,417.68x = 12,626.48 × 4,516.72
  4. Step 4: Simplify right side
    8,417.68x = 57,030,274.75
  5. Step 5: Solve for x
    x = 57,030,274.75/8,417.68
  6. Step 6: Final answer
    x = 6,775.06

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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.