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Finding the Fourth Proportional to 7,103.64, 10,661.04 and 4,927.68

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Solution

The fourth proportional to 7,103.64, 10,661.04 and 4,927.68 is: 7,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.64 : 10,661.04 = 4,927.68 : x
  2. Step 2: Convert to fraction form
    7,103.64/10,661.04 = 4,927.68/x
  3. Step 3: Cross multiply
    7,103.64x = 10,661.04 × 4,927.68
  4. Step 4: Simplify right side
    7,103.64x = 52,534,193.59
  5. Step 5: Solve for x
    x = 52,534,193.59/7,103.64
  6. Step 6: Final answer
    x = 7,395.39

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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.