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Finding the Fourth Proportional to 19,346.31, 29,018.25 and 11,549.25

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Solution

The fourth proportional to 19,346.31, 29,018.25 and 11,549.25 is: 17,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.31 : 29,018.25 = 11,549.25 : x
  2. Step 2: Convert to fraction form
    19,346.31/29,018.25 = 11,549.25/x
  3. Step 3: Cross multiply
    19,346.31x = 29,018.25 × 11,549.25
  4. Step 4: Simplify right side
    19,346.31x = 335,139,023.81
  5. Step 5: Solve for x
    x = 335,139,023.81/19,346.31
  6. Step 6: Final answer
    x = 17,323.15

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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.