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Finding the Fourth Proportional to 23,513.99, 32,448.80 and 13,442.99

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Solution

The fourth proportional to 23,513.99, 32,448.80 and 13,442.99 is: 18,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,513.99 : 32,448.80 = 13,442.99 : x
  2. Step 2: Convert to fraction form
    23,513.99/32,448.80 = 13,442.99/x
  3. Step 3: Cross multiply
    23,513.99x = 32,448.80 × 13,442.99
  4. Step 4: Simplify right side
    23,513.99x = 436,208,664.45
  5. Step 5: Solve for x
    x = 436,208,664.45/23,513.99
  6. Step 6: Final answer
    x = 18,551.03

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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.