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Finding the Fourth Proportional to 28,055.35, 42,141.35 and 22,252.51

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Solution

The fourth proportional to 28,055.35, 42,141.35 and 22,252.51 is: 33,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.35 : 42,141.35 = 22,252.51 : x
  2. Step 2: Convert to fraction form
    28,055.35/42,141.35 = 22,252.51/x
  3. Step 3: Cross multiply
    28,055.35x = 42,141.35 × 22,252.51
  4. Step 4: Simplify right side
    28,055.35x = 937,750,812.29
  5. Step 5: Solve for x
    x = 937,750,812.29/28,055.35
  6. Step 6: Final answer
    x = 33,425.03

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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.