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Finding the Fourth Proportional to 9,011.13, 13,510.88 and 3,749.77

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Solution

The fourth proportional to 9,011.13, 13,510.88 and 3,749.77 is: 5,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.13 : 13,510.88 = 3,749.77 : x
  2. Step 2: Convert to fraction form
    9,011.13/13,510.88 = 3,749.77/x
  3. Step 3: Cross multiply
    9,011.13x = 13,510.88 × 3,749.77
  4. Step 4: Simplify right side
    9,011.13x = 50,662,639.97
  5. Step 5: Solve for x
    x = 50,662,639.97/9,011.13
  6. Step 6: Final answer
    x = 5,622.23

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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.