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Finding the Fourth Proportional to 16,783.66, 25,159.06 and 6,931.24

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Solution

The fourth proportional to 16,783.66, 25,159.06 and 6,931.24 is: 10,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.66 : 25,159.06 = 6,931.24 : x
  2. Step 2: Convert to fraction form
    16,783.66/25,159.06 = 6,931.24/x
  3. Step 3: Cross multiply
    16,783.66x = 25,159.06 × 6,931.24
  4. Step 4: Simplify right side
    16,783.66x = 174,383,374.57
  5. Step 5: Solve for x
    x = 174,383,374.57/16,783.66
  6. Step 6: Final answer
    x = 10,390.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.