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Finding the Fourth Proportional to 38,888.32, 58,323.84 and 11,179.84

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Solution

The fourth proportional to 38,888.32, 58,323.84 and 11,179.84 is: 16,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.32 : 58,323.84 = 11,179.84 : x
  2. Step 2: Convert to fraction form
    38,888.32/58,323.84 = 11,179.84/x
  3. Step 3: Cross multiply
    38,888.32x = 58,323.84 × 11,179.84
  4. Step 4: Simplify right side
    38,888.32x = 652,051,199.39
  5. Step 5: Solve for x
    x = 652,051,199.39/38,888.32
  6. Step 6: Final answer
    x = 16,767.28

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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.