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Finding the Fourth Proportional to 56,563.80, 84,844.38 and 28,476.32

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Solution

The fourth proportional to 56,563.80, 84,844.38 and 28,476.32 is: 42,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,563.80 : 84,844.38 = 28,476.32 : x
  2. Step 2: Convert to fraction form
    56,563.80/84,844.38 = 28,476.32/x
  3. Step 3: Cross multiply
    56,563.80x = 84,844.38 × 28,476.32
  4. Step 4: Simplify right side
    56,563.80x = 2,416,055,397.65
  5. Step 5: Solve for x
    x = 2,416,055,397.65/56,563.80
  6. Step 6: Final answer
    x = 42,713.81

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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.