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Finding the Fourth Proportional to 17,745.48, 24,490.48 and 13,261.45

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Solution

The fourth proportional to 17,745.48, 24,490.48 and 13,261.45 is: 18,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.48 : 24,490.48 = 13,261.45 : x
  2. Step 2: Convert to fraction form
    17,745.48/24,490.48 = 13,261.45/x
  3. Step 3: Cross multiply
    17,745.48x = 24,490.48 × 13,261.45
  4. Step 4: Simplify right side
    17,745.48x = 324,779,276.00
  5. Step 5: Solve for x
    x = 324,779,276.00/17,745.48
  6. Step 6: Final answer
    x = 18,302.08

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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.