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Finding the Fourth Proportional to 38,405.52, 57,608.01 and 10,703.52

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Solution

The fourth proportional to 38,405.52, 57,608.01 and 10,703.52 is: 16,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.52 : 57,608.01 = 10,703.52 : x
  2. Step 2: Convert to fraction form
    38,405.52/57,608.01 = 10,703.52/x
  3. Step 3: Cross multiply
    38,405.52x = 57,608.01 × 10,703.52
  4. Step 4: Simplify right side
    38,405.52x = 616,608,487.20
  5. Step 5: Solve for x
    x = 616,608,487.20/38,405.52
  6. Step 6: Final answer
    x = 16,055.20

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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.