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Finding the Fourth Proportional to 23,655.48, 32,644.12 and 12,900.48

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Solution

The fourth proportional to 23,655.48, 32,644.12 and 12,900.48 is: 17,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,655.48 : 32,644.12 = 12,900.48 : x
  2. Step 2: Convert to fraction form
    23,655.48/32,644.12 = 12,900.48/x
  3. Step 3: Cross multiply
    23,655.48x = 32,644.12 × 12,900.48
  4. Step 4: Simplify right side
    23,655.48x = 421,124,817.18
  5. Step 5: Solve for x
    x = 421,124,817.18/23,655.48
  6. Step 6: Final answer
    x = 17,802.42

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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.