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Finding the Fourth Proportional to 10,628.69, 15,935.10 and 7,332.38

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Solution

The fourth proportional to 10,628.69, 15,935.10 and 7,332.38 is: 10,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.69 : 15,935.10 = 7,332.38 : x
  2. Step 2: Convert to fraction form
    10,628.69/15,935.10 = 7,332.38/x
  3. Step 3: Cross multiply
    10,628.69x = 15,935.10 × 7,332.38
  4. Step 4: Simplify right side
    10,628.69x = 116,842,208.54
  5. Step 5: Solve for x
    x = 116,842,208.54/10,628.69
  6. Step 6: Final answer
    x = 10,993.10

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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.