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Finding the Fourth Proportional to 9,671.66, 13,349.31 and 5,943.50

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Solution

The fourth proportional to 9,671.66, 13,349.31 and 5,943.50 is: 8,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.66 : 13,349.31 = 5,943.50 : x
  2. Step 2: Convert to fraction form
    9,671.66/13,349.31 = 5,943.50/x
  3. Step 3: Cross multiply
    9,671.66x = 13,349.31 × 5,943.50
  4. Step 4: Simplify right side
    9,671.66x = 79,341,623.99
  5. Step 5: Solve for x
    x = 79,341,623.99/9,671.66
  6. Step 6: Final answer
    x = 8,203.52

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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.