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Finding the Fourth Proportional to 23,602.88, 32,571.98 and 12,992.51

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Solution

The fourth proportional to 23,602.88, 32,571.98 and 12,992.51 is: 17,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,602.88 : 32,571.98 = 12,992.51 : x
  2. Step 2: Convert to fraction form
    23,602.88/32,571.98 = 12,992.51/x
  3. Step 3: Cross multiply
    23,602.88x = 32,571.98 × 12,992.51
  4. Step 4: Simplify right side
    23,602.88x = 423,191,548.05
  5. Step 5: Solve for x
    x = 423,191,548.05/23,602.88
  6. Step 6: Final answer
    x = 17,929.66

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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.