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Finding the Fourth Proportional to 16,603.65, 24,920.06 and 9,216.45

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Solution

The fourth proportional to 16,603.65, 24,920.06 and 9,216.45 is: 13,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.65 : 24,920.06 = 9,216.45 : x
  2. Step 2: Convert to fraction form
    16,603.65/24,920.06 = 9,216.45/x
  3. Step 3: Cross multiply
    16,603.65x = 24,920.06 × 9,216.45
  4. Step 4: Simplify right side
    16,603.65x = 229,674,440.90
  5. Step 5: Solve for x
    x = 229,674,440.90/16,603.65
  6. Step 6: Final answer
    x = 13,832.77

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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.