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Finding the Fourth Proportional to 38,803.86, 58,203.06 and 13,841.08

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Solution

The fourth proportional to 38,803.86, 58,203.06 and 13,841.08 is: 20,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,803.86 : 58,203.06 = 13,841.08 : x
  2. Step 2: Convert to fraction form
    38,803.86/58,203.06 = 13,841.08/x
  3. Step 3: Cross multiply
    38,803.86x = 58,203.06 × 13,841.08
  4. Step 4: Simplify right side
    38,803.86x = 805,593,012.29
  5. Step 5: Solve for x
    x = 805,593,012.29/38,803.86
  6. Step 6: Final answer
    x = 20,760.64

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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.