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Finding the Fourth Proportional to 37,015.76, 55,523.28 and 10,720.28

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Solution

The fourth proportional to 37,015.76, 55,523.28 and 10,720.28 is: 16,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,015.76 : 55,523.28 = 10,720.28 : x
  2. Step 2: Convert to fraction form
    37,015.76/55,523.28 = 10,720.28/x
  3. Step 3: Cross multiply
    37,015.76x = 55,523.28 × 10,720.28
  4. Step 4: Simplify right side
    37,015.76x = 595,225,108.12
  5. Step 5: Solve for x
    x = 595,225,108.12/37,015.76
  6. Step 6: Final answer
    x = 16,080.32

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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.