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Finding the Fourth Proportional to 10,040.60, 15,058.20 and 3,020.60

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Solution

The fourth proportional to 10,040.60, 15,058.20 and 3,020.60 is: 4,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.60 : 15,058.20 = 3,020.60 : x
  2. Step 2: Convert to fraction form
    10,040.60/15,058.20 = 3,020.60/x
  3. Step 3: Cross multiply
    10,040.60x = 15,058.20 × 3,020.60
  4. Step 4: Simplify right side
    10,040.60x = 45,484,798.92
  5. Step 5: Solve for x
    x = 45,484,798.92/10,040.60
  6. Step 6: Final answer
    x = 4,530.09

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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.