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Finding the Fourth Proportional to 9,166.72, 12,650.16 and 4,975.04

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Solution

The fourth proportional to 9,166.72, 12,650.16 and 4,975.04 is: 6,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.72 : 12,650.16 = 4,975.04 : x
  2. Step 2: Convert to fraction form
    9,166.72/12,650.16 = 4,975.04/x
  3. Step 3: Cross multiply
    9,166.72x = 12,650.16 × 4,975.04
  4. Step 4: Simplify right side
    9,166.72x = 62,935,052.01
  5. Step 5: Solve for x
    x = 62,935,052.01/9,166.72
  6. Step 6: Final answer
    x = 6,865.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.