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Finding the Fourth Proportional to 9,167.72, 13,751.58 and 4,784.15

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Solution

The fourth proportional to 9,167.72, 13,751.58 and 4,784.15 is: 7,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.72 : 13,751.58 = 4,784.15 : x
  2. Step 2: Convert to fraction form
    9,167.72/13,751.58 = 4,784.15/x
  3. Step 3: Cross multiply
    9,167.72x = 13,751.58 × 4,784.15
  4. Step 4: Simplify right side
    9,167.72x = 65,789,621.46
  5. Step 5: Solve for x
    x = 65,789,621.46/9,167.72
  6. Step 6: Final answer
    x = 7,176.23

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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.