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Finding the Fourth Proportional to 51,642.64, 70,802.73 and 50,709.52

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Solution

The fourth proportional to 51,642.64, 70,802.73 and 50,709.52 is: 69,523.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,642.64 : 70,802.73 = 50,709.52 : x
  2. Step 2: Convert to fraction form
    51,642.64/70,802.73 = 50,709.52/x
  3. Step 3: Cross multiply
    51,642.64x = 70,802.73 × 50,709.52
  4. Step 4: Simplify right side
    51,642.64x = 3,590,372,452.99
  5. Step 5: Solve for x
    x = 3,590,372,452.99/51,642.64
  6. Step 6: Final answer
    x = 69,523.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.