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Finding the Fourth Proportional to 42,748.03, 59,013.03 and 30,028.24

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Solution

The fourth proportional to 42,748.03, 59,013.03 and 30,028.24 is: 41,453.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,748.03 : 59,013.03 = 30,028.24 : x
  2. Step 2: Convert to fraction form
    42,748.03/59,013.03 = 30,028.24/x
  3. Step 3: Cross multiply
    42,748.03x = 59,013.03 × 30,028.24
  4. Step 4: Simplify right side
    42,748.03x = 1,772,057,427.97
  5. Step 5: Solve for x
    x = 1,772,057,427.97/42,748.03
  6. Step 6: Final answer
    x = 41,453.55

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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.