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Finding the Fourth Proportional to 23,625.70, 32,603.72 and 13,015.71

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Solution

The fourth proportional to 23,625.70, 32,603.72 and 13,015.71 is: 17,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,625.70 : 32,603.72 = 13,015.71 : x
  2. Step 2: Convert to fraction form
    23,625.70/32,603.72 = 13,015.71/x
  3. Step 3: Cross multiply
    23,625.70x = 32,603.72 × 13,015.71
  4. Step 4: Simplify right side
    23,625.70x = 424,360,499.36
  5. Step 5: Solve for x
    x = 424,360,499.36/23,625.70
  6. Step 6: Final answer
    x = 17,961.82

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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.