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Finding the Fourth Proportional to 9,605.79, 13,250.64 and 5,626.14

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Solution

The fourth proportional to 9,605.79, 13,250.64 and 5,626.14 is: 7,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.79 : 13,250.64 = 5,626.14 : x
  2. Step 2: Convert to fraction form
    9,605.79/13,250.64 = 5,626.14/x
  3. Step 3: Cross multiply
    9,605.79x = 13,250.64 × 5,626.14
  4. Step 4: Simplify right side
    9,605.79x = 74,549,955.73
  5. Step 5: Solve for x
    x = 74,549,955.73/9,605.79
  6. Step 6: Final answer
    x = 7,760.94

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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.