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Finding the Fourth Proportional to 13,030.74, 17,983.11 and 7,365.69

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Solution

The fourth proportional to 13,030.74, 17,983.11 and 7,365.69 is: 10,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.74 : 17,983.11 = 7,365.69 : x
  2. Step 2: Convert to fraction form
    13,030.74/17,983.11 = 7,365.69/x
  3. Step 3: Cross multiply
    13,030.74x = 17,983.11 × 7,365.69
  4. Step 4: Simplify right side
    13,030.74x = 132,458,013.50
  5. Step 5: Solve for x
    x = 132,458,013.50/13,030.74
  6. Step 6: Final answer
    x = 10,165.04

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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.