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Finding the Fourth Proportional to 10,058.65, 15,090.09 and 3,039.19

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Solution

The fourth proportional to 10,058.65, 15,090.09 and 3,039.19 is: 4,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.65 : 15,090.09 = 3,039.19 : x
  2. Step 2: Convert to fraction form
    10,058.65/15,090.09 = 3,039.19/x
  3. Step 3: Cross multiply
    10,058.65x = 15,090.09 × 3,039.19
  4. Step 4: Simplify right side
    10,058.65x = 45,861,650.63
  5. Step 5: Solve for x
    x = 45,861,650.63/10,058.65
  6. Step 6: Final answer
    x = 4,559.42

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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.