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Finding the Fourth Proportional to 13,295.03, 18,353.18 and 9,469.13

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Solution

The fourth proportional to 13,295.03, 18,353.18 and 9,469.13 is: 13,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.03 : 18,353.18 = 9,469.13 : x
  2. Step 2: Convert to fraction form
    13,295.03/18,353.18 = 9,469.13/x
  3. Step 3: Cross multiply
    13,295.03x = 18,353.18 × 9,469.13
  4. Step 4: Simplify right side
    13,295.03x = 173,788,579.24
  5. Step 5: Solve for x
    x = 173,788,579.24/13,295.03
  6. Step 6: Final answer
    x = 13,071.70

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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.