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Finding the Fourth Proportional to 30,062.56, 45,093.80 and 12,058.92

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Solution

The fourth proportional to 30,062.56, 45,093.80 and 12,058.92 is: 18,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.56 : 45,093.80 = 12,058.92 : x
  2. Step 2: Convert to fraction form
    30,062.56/45,093.80 = 12,058.92/x
  3. Step 3: Cross multiply
    30,062.56x = 45,093.80 × 12,058.92
  4. Step 4: Simplify right side
    30,062.56x = 543,782,526.70
  5. Step 5: Solve for x
    x = 543,782,526.70/30,062.56
  6. Step 6: Final answer
    x = 18,088.36

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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.