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Finding the Fourth Proportional to 15,625.77, 23,441.98 and 8,965.32

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Solution

The fourth proportional to 15,625.77, 23,441.98 and 8,965.32 is: 13,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.77 : 23,441.98 = 8,965.32 : x
  2. Step 2: Convert to fraction form
    15,625.77/23,441.98 = 8,965.32/x
  3. Step 3: Cross multiply
    15,625.77x = 23,441.98 × 8,965.32
  4. Step 4: Simplify right side
    15,625.77x = 210,164,852.13
  5. Step 5: Solve for x
    x = 210,164,852.13/15,625.77
  6. Step 6: Final answer
    x = 13,449.89

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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.