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Finding the Fourth Proportional to 35,494.72, 53,246.88 and 28,112.88

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Solution

The fourth proportional to 35,494.72, 53,246.88 and 28,112.88 is: 42,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,494.72 : 53,246.88 = 28,112.88 : x
  2. Step 2: Convert to fraction form
    35,494.72/53,246.88 = 28,112.88/x
  3. Step 3: Cross multiply
    35,494.72x = 53,246.88 × 28,112.88
  4. Step 4: Simplify right side
    35,494.72x = 1,496,923,147.81
  5. Step 5: Solve for x
    x = 1,496,923,147.81/35,494.72
  6. Step 6: Final answer
    x = 42,173.12

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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.