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Finding the Fourth Proportional to 13,069.58, 18,035.76 and 7,101.29

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Solution

The fourth proportional to 13,069.58, 18,035.76 and 7,101.29 is: 9,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.58 : 18,035.76 = 7,101.29 : x
  2. Step 2: Convert to fraction form
    13,069.58/18,035.76 = 7,101.29/x
  3. Step 3: Cross multiply
    13,069.58x = 18,035.76 × 7,101.29
  4. Step 4: Simplify right side
    13,069.58x = 128,077,240.68
  5. Step 5: Solve for x
    x = 128,077,240.68/13,069.58
  6. Step 6: Final answer
    x = 9,799.64

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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.