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Finding the Fourth Proportional to 38,412.54, 57,621.09 and 10,710.54

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Solution

The fourth proportional to 38,412.54, 57,621.09 and 10,710.54 is: 16,066.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,412.54 : 57,621.09 = 10,710.54 : x
  2. Step 2: Convert to fraction form
    38,412.54/57,621.09 = 10,710.54/x
  3. Step 3: Cross multiply
    38,412.54x = 57,621.09 × 10,710.54
  4. Step 4: Simplify right side
    38,412.54x = 617,152,989.29
  5. Step 5: Solve for x
    x = 617,152,989.29/38,412.54
  6. Step 6: Final answer
    x = 16,066.45

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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.