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Finding the Fourth Proportional to 10,628.77, 14,669.73 and 7,037.39

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Solution

The fourth proportional to 10,628.77, 14,669.73 and 7,037.39 is: 9,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.77 : 14,669.73 = 7,037.39 : x
  2. Step 2: Convert to fraction form
    10,628.77/14,669.73 = 7,037.39/x
  3. Step 3: Cross multiply
    10,628.77x = 14,669.73 × 7,037.39
  4. Step 4: Simplify right side
    10,628.77x = 103,236,592.87
  5. Step 5: Solve for x
    x = 103,236,592.87/10,628.77
  6. Step 6: Final answer
    x = 9,712.94

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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.