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Finding the Fourth Proportional to 16,482.40, 22,745.68 and 9,030.24

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Solution

The fourth proportional to 16,482.40, 22,745.68 and 9,030.24 is: 12,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,482.40 : 22,745.68 = 9,030.24 : x
  2. Step 2: Convert to fraction form
    16,482.40/22,745.68 = 9,030.24/x
  3. Step 3: Cross multiply
    16,482.40x = 22,745.68 × 9,030.24
  4. Step 4: Simplify right side
    16,482.40x = 205,398,949.36
  5. Step 5: Solve for x
    x = 205,398,949.36/16,482.40
  6. Step 6: Final answer
    x = 12,461.71

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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.