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Finding the Fourth Proportional to 48,603.57, 72,905.34 and 11,667.57

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Solution

The fourth proportional to 48,603.57, 72,905.34 and 11,667.57 is: 17,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,603.57 : 72,905.34 = 11,667.57 : x
  2. Step 2: Convert to fraction form
    48,603.57/72,905.34 = 11,667.57/x
  3. Step 3: Cross multiply
    48,603.57x = 72,905.34 × 11,667.57
  4. Step 4: Simplify right side
    48,603.57x = 850,628,157.82
  5. Step 5: Solve for x
    x = 850,628,157.82/48,603.57
  6. Step 6: Final answer
    x = 17,501.35

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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.