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Finding the Fourth Proportional to 16,673.52, 25,009.68 and 5,579.20

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Solution

The fourth proportional to 16,673.52, 25,009.68 and 5,579.20 is: 8,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,673.52 : 25,009.68 = 5,579.20 : x
  2. Step 2: Convert to fraction form
    16,673.52/25,009.68 = 5,579.20/x
  3. Step 3: Cross multiply
    16,673.52x = 25,009.68 × 5,579.20
  4. Step 4: Simplify right side
    16,673.52x = 139,534,006.66
  5. Step 5: Solve for x
    x = 139,534,006.66/16,673.52
  6. Step 6: Final answer
    x = 8,368.60

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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.