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Finding the Fourth Proportional to 19,337.10, 28,981.35 and 9,455.10

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Solution

The fourth proportional to 19,337.10, 28,981.35 and 9,455.10 is: 14,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.10 : 28,981.35 = 9,455.10 : x
  2. Step 2: Convert to fraction form
    19,337.10/28,981.35 = 9,455.10/x
  3. Step 3: Cross multiply
    19,337.10x = 28,981.35 × 9,455.10
  4. Step 4: Simplify right side
    19,337.10x = 274,021,562.39
  5. Step 5: Solve for x
    x = 274,021,562.39/19,337.10
  6. Step 6: Final answer
    x = 14,170.77

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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.