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Finding the Fourth Proportional to 38,739.20, 58,101.15 and 10,652.01

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Solution

The fourth proportional to 38,739.20, 58,101.15 and 10,652.01 is: 15,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739.20 : 58,101.15 = 10,652.01 : x
  2. Step 2: Convert to fraction form
    38,739.20/58,101.15 = 10,652.01/x
  3. Step 3: Cross multiply
    38,739.20x = 58,101.15 × 10,652.01
  4. Step 4: Simplify right side
    38,739.20x = 618,894,030.81
  5. Step 5: Solve for x
    x = 618,894,030.81/38,739.20
  6. Step 6: Final answer
    x = 15,975.91

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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.