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Finding the Fourth Proportional to 23,496.48, 32,425.11 and 12,886.11

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Solution

The fourth proportional to 23,496.48, 32,425.11 and 12,886.11 is: 17,782.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,496.48 : 32,425.11 = 12,886.11 : x
  2. Step 2: Convert to fraction form
    23,496.48/32,425.11 = 12,886.11/x
  3. Step 3: Cross multiply
    23,496.48x = 32,425.11 × 12,886.11
  4. Step 4: Simplify right side
    23,496.48x = 417,833,534.22
  5. Step 5: Solve for x
    x = 417,833,534.22/23,496.48
  6. Step 6: Final answer
    x = 17,782.81

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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.