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Finding the Fourth Proportional to 16,671.70, 23,009.78 and 9,602.22

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Solution

The fourth proportional to 16,671.70, 23,009.78 and 9,602.22 is: 13,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.70 : 23,009.78 = 9,602.22 : x
  2. Step 2: Convert to fraction form
    16,671.70/23,009.78 = 9,602.22/x
  3. Step 3: Cross multiply
    16,671.70x = 23,009.78 × 9,602.22
  4. Step 4: Simplify right side
    16,671.70x = 220,944,969.71
  5. Step 5: Solve for x
    x = 220,944,969.71/16,671.70
  6. Step 6: Final answer
    x = 13,252.70

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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.