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Finding the Fourth Proportional to 39,671.66, 59,507.68 and 13,376.63

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Solution

The fourth proportional to 39,671.66, 59,507.68 and 13,376.63 is: 20,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,671.66 : 59,507.68 = 13,376.63 : x
  2. Step 2: Convert to fraction form
    39,671.66/59,507.68 = 13,376.63/x
  3. Step 3: Cross multiply
    39,671.66x = 59,507.68 × 13,376.63
  4. Step 4: Simplify right side
    39,671.66x = 796,012,217.52
  5. Step 5: Solve for x
    x = 796,012,217.52/39,671.66
  6. Step 6: Final answer
    x = 20,065.01

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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.