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Finding the Fourth Proportional to 38,199.51, 56,972.72 and 33,550.11

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Solution

The fourth proportional to 38,199.51, 56,972.72 and 33,550.11 is: 50,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.51 : 56,972.72 = 33,550.11 : x
  2. Step 2: Convert to fraction form
    38,199.51/56,972.72 = 33,550.11/x
  3. Step 3: Cross multiply
    38,199.51x = 56,972.72 × 33,550.11
  4. Step 4: Simplify right side
    38,199.51x = 1,911,441,106.87
  5. Step 5: Solve for x
    x = 1,911,441,106.87/38,199.51
  6. Step 6: Final answer
    x = 50,038.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.