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Finding the Fourth Proportional to 9,133.77, 12,604.64 and 4,942.02

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Solution

The fourth proportional to 9,133.77, 12,604.64 and 4,942.02 is: 6,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.77 : 12,604.64 = 4,942.02 : x
  2. Step 2: Convert to fraction form
    9,133.77/12,604.64 = 4,942.02/x
  3. Step 3: Cross multiply
    9,133.77x = 12,604.64 × 4,942.02
  4. Step 4: Simplify right side
    9,133.77x = 62,292,358.26
  5. Step 5: Solve for x
    x = 62,292,358.26/9,133.77
  6. Step 6: Final answer
    x = 6,820.01

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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.