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Finding the Fourth Proportional to 16,603.76, 24,864.60 and 12,376.86

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Solution

The fourth proportional to 16,603.76, 24,864.60 and 12,376.86 is: 18,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.76 : 24,864.60 = 12,376.86 : x
  2. Step 2: Convert to fraction form
    16,603.76/24,864.60 = 12,376.86/x
  3. Step 3: Cross multiply
    16,603.76x = 24,864.60 × 12,376.86
  4. Step 4: Simplify right side
    16,603.76x = 307,745,673.16
  5. Step 5: Solve for x
    x = 307,745,673.16/16,603.76
  6. Step 6: Final answer
    x = 18,534.70

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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.