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Finding the Fourth Proportional to 13,048, 18,006.40 and 7,459.52

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Solution

The fourth proportional to 13,048, 18,006.40 and 7,459.52 is: 10,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048 : 18,006.40 = 7,459.52 : x
  2. Step 2: Convert to fraction form
    13,048/18,006.40 = 7,459.52/x
  3. Step 3: Cross multiply
    13,048x = 18,006.40 × 7,459.52
  4. Step 4: Simplify right side
    13,048x = 134,319,100.93
  5. Step 5: Solve for x
    x = 134,319,100.93/13,048
  6. Step 6: Final answer
    x = 10,294.23

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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.