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Finding the Fourth Proportional to 9,060.96, 12,503.92 and 5,082.40

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Solution

The fourth proportional to 9,060.96, 12,503.92 and 5,082.40 is: 7,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,060.96 : 12,503.92 = 5,082.40 : x
  2. Step 2: Convert to fraction form
    9,060.96/12,503.92 = 5,082.40/x
  3. Step 3: Cross multiply
    9,060.96x = 12,503.92 × 5,082.40
  4. Step 4: Simplify right side
    9,060.96x = 63,549,923.01
  5. Step 5: Solve for x
    x = 63,549,923.01/9,060.96
  6. Step 6: Final answer
    x = 7,013.60

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