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Finding the Fourth Proportional to 31,373.66, 43,303.66 and 17,949.14

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Solution

The fourth proportional to 31,373.66, 43,303.66 and 17,949.14 is: 24,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.66 : 43,303.66 = 17,949.14 : x
  2. Step 2: Convert to fraction form
    31,373.66/43,303.66 = 17,949.14/x
  3. Step 3: Cross multiply
    31,373.66x = 43,303.66 × 17,949.14
  4. Step 4: Simplify right side
    31,373.66x = 777,263,455.85
  5. Step 5: Solve for x
    x = 777,263,455.85/31,373.66
  6. Step 6: Final answer
    x = 24,774.40

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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.