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Finding the Fourth Proportional to 15,058.60, 20,804.46 and 10,367.88

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Solution

The fourth proportional to 15,058.60, 20,804.46 and 10,367.88 is: 14,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058.60 : 20,804.46 = 10,367.88 : x
  2. Step 2: Convert to fraction form
    15,058.60/20,804.46 = 10,367.88/x
  3. Step 3: Cross multiply
    15,058.60x = 20,804.46 × 10,367.88
  4. Step 4: Simplify right side
    15,058.60x = 215,698,144.74
  5. Step 5: Solve for x
    x = 215,698,144.74/15,058.60
  6. Step 6: Final answer
    x = 14,323.92

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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.