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Finding the Fourth Proportional to 16,143.30, 24,206.85 and 7,368.30

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Solution

The fourth proportional to 16,143.30, 24,206.85 and 7,368.30 is: 11,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,143.30 : 24,206.85 = 7,368.30 : x
  2. Step 2: Convert to fraction form
    16,143.30/24,206.85 = 7,368.30/x
  3. Step 3: Cross multiply
    16,143.30x = 24,206.85 × 7,368.30
  4. Step 4: Simplify right side
    16,143.30x = 178,363,332.86
  5. Step 5: Solve for x
    x = 178,363,332.86/16,143.30
  6. Step 6: Final answer
    x = 11,048.75

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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.