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Finding the Fourth Proportional to 23,931.02, 33,025.90 and 13,859.90

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Solution

The fourth proportional to 23,931.02, 33,025.90 and 13,859.90 is: 19,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,931.02 : 33,025.90 = 13,859.90 : x
  2. Step 2: Convert to fraction form
    23,931.02/33,025.90 = 13,859.90/x
  3. Step 3: Cross multiply
    23,931.02x = 33,025.90 × 13,859.90
  4. Step 4: Simplify right side
    23,931.02x = 457,735,671.41
  5. Step 5: Solve for x
    x = 457,735,671.41/23,931.02
  6. Step 6: Final answer
    x = 19,127.29

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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.