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Finding the Fourth Proportional to 28,973.84, 43,444.44 and 9,247.76

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Solution

The fourth proportional to 28,973.84, 43,444.44 and 9,247.76 is: 13,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.84 : 43,444.44 = 9,247.76 : x
  2. Step 2: Convert to fraction form
    28,973.84/43,444.44 = 9,247.76/x
  3. Step 3: Cross multiply
    28,973.84x = 43,444.44 × 9,247.76
  4. Step 4: Simplify right side
    28,973.84x = 401,763,754.45
  5. Step 5: Solve for x
    x = 401,763,754.45/28,973.84
  6. Step 6: Final answer
    x = 13,866.43

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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.