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Finding the Fourth Proportional to 9,166.76, 13,749.90 and 2,927.16

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Solution

The fourth proportional to 9,166.76, 13,749.90 and 2,927.16 is: 4,390.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,166.76 : 13,749.90 = 2,927.16 : x
  2. Step 2: Convert to fraction form
    9,166.76/13,749.90 = 2,927.16/x
  3. Step 3: Cross multiply
    9,166.76x = 13,749.90 × 2,927.16
  4. Step 4: Simplify right side
    9,166.76x = 40,248,157.28
  5. Step 5: Solve for x
    x = 40,248,157.28/9,166.76
  6. Step 6: Final answer
    x = 4,390.66

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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.