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Finding the Fourth Proportional to 24,300.90, 33,535.89 and 13,689.90

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Solution

The fourth proportional to 24,300.90, 33,535.89 and 13,689.90 is: 18,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,300.90 : 33,535.89 = 13,689.90 : x
  2. Step 2: Convert to fraction form
    24,300.90/33,535.89 = 13,689.90/x
  3. Step 3: Cross multiply
    24,300.90x = 33,535.89 × 13,689.90
  4. Step 4: Simplify right side
    24,300.90x = 459,102,980.51
  5. Step 5: Solve for x
    x = 459,102,980.51/24,300.90
  6. Step 6: Final answer
    x = 18,892.43

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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.